{"title":"Eldridge Products (EPI)","description":"","products":[{"product_id":"inline-flow-meter-master-touch-series-86008700-mp-haz","title":"Inline Flow Meter, Master-Touch Series 8600-8700 MP HAZ","description":"\u003cp\u003eThe 8600-8700 MP Inline Flow Meter Series provides accurate, consistent, and rapid real-time flow measurement with a sensor that is both temperature and pressure corrective. Each \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/\"\u003eflow meter\u003c\/a\u003e, from \u003ca href=\"https:\/\/psctexas.com\/brand\/epi\/\"\u003eEldridge Products Inc. (EPI)\u003c\/a\u003e, undergoes calibration using standards traceable to the \u003ca href=\"https:\/\/www.nist.gov\" rel=\"nofollow noopener\" target=\"_blank\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eaccuracy: ± 1% of reading + 0.5% of full scale + GTC\u003c\/li\u003e\n\u003cli\u003erepeatability: ± 0.2% of full scale\u003c\/li\u003e\n\u003cli\u003esensor response time: 1 second to 63% of final value\u003c\/li\u003e\n\u003cli\u003egas temperature coefficient (GTC): 0.02% full scale\/˚C\u003c\/li\u003e\n\u003cli\u003egas pressure effect: negligible over ± 50% of factory calibration pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaster-Touch Series 8600-8700 MP HAZ, Inline Flow Meter\u003c\/h3\u003e\n\u003cp\u003eMaster-Touch Series products include a rugged, cleanable, \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/thermal-mass-flow-meters\/\"\u003ethermal mass flow sensor\u003c\/a\u003e. These units consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors are constructed of reference grade platinum, ceramic, glass, as well as stainless steel. Two platinum resistance sensors are built up upon the ceramic substrate and then given a thin glass coating. The assembly is then slipped into a stainless-steel sheath for corrosion and abrasion resistance. The sensor assembly is large and rugged in addition to being relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas and maintains a reference resistance on one side of a bridge circuit. The second sensor is forced through self-heating to a constant temperature above that of the gas stream. Then it is controlled by the temperature sensor and bridge circuitry. Furthermore, our bridge maintains the overheat temperature and counterbalances the temperature effects through proprietary temperature compensation techniques.\u003c\/p\u003e\n\u003ch3\u003e8600-8700 Series Inline Flow Meter for Use in \u003ca href=\"https:\/\/psctexas.com\/product-tag\/hazloc-rated\/\"\u003eHazardous Locations\u003c\/a\u003e\n\u003c\/h3\u003e\n\u003cp\u003eOur inline flow meter for thermal mass flow measurement includes a flow section that is usually specified to match the user’s flow conduit and is then plumbed directly into the process line. This design also has the sensing elements mounted directly in the flow section for exposure to the process gas. This thermal mass flow inline flow meter is available in sizes from 1\/4\" pipe through 4\" pipe or tube and are provided with a variety of options such as MNPT ends, tube end fittings, butt weld ends, flanged end configurations, etc. as necessary. Pipe sizes more than 4\" typically require insertion style thermal mass flow meters. This integral style inline flow meter has all the electrical components and connections located within one enclosure. Additionally, this enclosure offers \u003ca href=\"https:\/\/psctexas.com\/product-tag\/hazloc-rated\/\"\u003eratings for hazardous environments\u003c\/a\u003e. The enclosure mounts directly to the inline flow section or to the insertion probe assembly at the point of measurement. The enclosure includes all the electrical connections as well as the linearizing electronics and the display \/ keypad assembly.\u003c\/p\u003e\n\u003ch3\u003eOperating Principle\u003c\/h3\u003e\n\u003cp\u003eThermal mass flow meters use the principle of convective heat transfer to directly measure mass flow. Furthermore, our proprietary thermal mass flow sensors use two ratiometrically-matched, reference-grade platinum Resistance Temperature Detectors (RTDs). The platinum sensing element wire is encapsulated in a 316 Stainless Steel sheath or, if specified, a Hastelloy C sheath. In addition, our microcontroller operate with smart sensor technology that preferentially heats one RTD. Meanwhile, the other RTD acts as the temperature reference. The process gas flow dissipates heat from the first RTD, which causes an increase in the power necessary to maintain a balance between the RTDs. As a result, this increase directly relates to the gas molecular rate of flow. Our sensors also feature temperature compensation for a wide process gas temperature range and insensitive to pressure changes. So, the output signal is a true mass flow rate signal.\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003eConfiguration Options for the Master-Touch Series 8600–8700 MP HAZ\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2018\/05\/Eldridge-Products-Master-Touch-8600-8700-MP-Inline-Flow-Meter-Gas-Thermal-Mass-Flow-Meter-Process-Solutions-Corp.jpg\"\u003e\u003cimg class=\"alignright wp-image-26148 size-full\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2018\/05\/Eldridge-Products-Master-Touch-8600-8700-MP-Inline-Flow-Meter-Gas-Thermal-Mass-Flow-Meter-Process-Solutions-Corp.jpg\" alt=\"Eldridge-Products-Master-Touch-8600-8700-MP-Inline-Flow-Meter-Gas-Thermal-Mass-Flow-Meter-Process-Solutions-Corp\" width=\"750\" height=\"513\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eCertifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.csagroup.org\" rel=\"nofollow noopener\" target=\"_blank\"\u003eCSA\/CUS\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.ul.com\/services\/atex-certification-european-union\" rel=\"nofollow noopener\" target=\"_blank\"\u003eATEX\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.iecex.com\" rel=\"nofollow noopener\" target=\"_blank\"\u003eIECEx\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eKOSHA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eApprovals\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eT2\u003c\/li\u003e\n\u003cli\u003eT3\u003c\/li\u003e\n\u003cli\u003eT4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eMeter Orientation\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Orientation\u003c\/strong\u003e: Horizontal, Vertical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Direction\u003c\/strong\u003e: left to right, right to left, top to bottom, bottom to top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Mounting Preferences\u003c\/strong\u003e: Left Side, Right Side, Above Pipe, Below Pipe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eMeter Housing\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003edisplay with keypad\u003c\/li\u003e\n\u003cli\u003eno display\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePipe Information\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Size Range\u003c\/strong\u003e: 1\/4\" to 4\" (custom options available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Flow Section\u003c\/strong\u003e: 6\" (custom options available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter\u003c\/strong\u003e: 0.364\" (6.35 mm) [based on ANSI standards]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Standard\u003c\/strong\u003e: ANSI, Schedule 40\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eInput Power and Communication Options\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Power\u003c\/strong\u003e: 12-18 VDC, 18-24 VDC, VAC 105-120, VAC 210-240\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Options\u003c\/strong\u003e: Standard (\u003ca href=\"https:\/\/modbus.org\" rel=\"nofollow noopener\" target=\"_blank\"\u003eModbus RTU\u003c\/a\u003e), Multi-Range + Temp Out, Multi-Range + No Temp, \u003ca href=\"https:\/\/psctexas.com\/product-tag\/hart\/\"\u003eHART\u003c\/a\u003e, \u003ca href=\"https:\/\/bacnet.org\" rel=\"nofollow noopener\" target=\"_blank\"\u003eBACnet\u003c\/a\u003e, \u003ca href=\"https:\/\/www.profibus.com\" rel=\"nofollow noopener\" target=\"_blank\"\u003eProfibus\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA Flow Output\u003c\/strong\u003e: Self Powered, Isolated-Loop Powered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA Temp Output\u003c\/strong\u003e (when applicable): Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVDC Flow Output\u003c\/strong\u003e (when applicable): 0-5, 0-10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVDC Temp Output\u003c\/strong\u003e (when applicable): 0-5, 0-10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eMounting Requirements\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eMNPT Ends\u003c\/li\u003e\n\u003cli\u003eButt End\u003c\/li\u003e\n\u003cli\u003eFlange\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSensor Wetted Materials Options\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eStainless Steel 316L\u003c\/li\u003e\n\u003cli\u003eHastelloy C-276\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878364340355,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/EPI-Master-Touch-8600-8700-MP-Inline-Flow-Meter-Gas-Thermal-Mass-Flow-Meter-Process-Solutions-Corp_60549b24-6b99-4485-bd1a-d8863121157d.png?v=1763385157"},{"product_id":"eldridge-products-valumass-series-500-val-inline-flow-meter","title":"Eldridge Products, ValuMass Series 500 VAL Inline Flow Meter","description":"ValuMass 500 VAL flow meters provide accurate, consistent, and rapid real-time \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/\"\u003eflow measurement\u003c\/a\u003e with a sensor that is both temperature and pressure corrective. Each flow meter, from \u003ca href=\"https:\/\/psctexas.com\/brand\/epi\/\"\u003eEldridge Products Inc. (EPI)\u003c\/a\u003e, is undergoes calibration using standards traceable to the \u003ca href=\"https:\/\/www.nist.gov\/\" target=\"_blank\" rel=\"nofollow noopener\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e. Like the ValuMass Series 540, the ValuMass Series 500 inline \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/thermal-mass-flow-meters\/\"\u003ethermal mass flowmeter\u003c\/a\u003e also uses the proprietary temperature compensation techniques using two RTD (resistance temperature detectors). This design allows the ValuMass Series to deliver accurate measurements day in, day out. If you require reliable mass measurement for an air and gas flow application with an inline installation, the ValuMass Series 500 is an excellent choice that provides great value at a great price. \u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2018\/05\/Eldridge-Products-Inc-EPI-Valu-Mass-In-Line-Thermal-Mass-Flow-Meters-500VAL-PSC-Texas.jpg\"\u003e\u003cimg class=\"alignright wp-image-26153 size-full\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2018\/05\/Eldridge-Products-Inc-EPI-Valu-Mass-In-Line-Thermal-Mass-Flow-Meters-500VAL-PSC-Texas.jpg\" alt=\"Eldridge-Products-Inc-EPI-Valu-Mass-In-Line-Thermal-Mass-Flow-Meters-500VAL-PSC-Texas\" width=\"1000\" height=\"681\"\u003e\u003c\/a\u003e \u003ch3\u003eThermal Mass Flow Meters\u003c\/h3\u003e ValuMass 500 Series VAL is a rugged, cleanable, thermal mass flow sensor. These flow meters consist of a sensor assembly that utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors are constructed of reference grade platinum, ceramic, glass, and stainless steel. Two platinum resistance sensors rely upon a ceramic substrate that then receives a thin glass coating. The assembly is then slipped into a stainless-steel sheath for corrosion and abrasion resistance. The sensor assembly is large and rugged as well as relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas and maintains a reference resistance on one side of a bridge circuit. The second sensor is forced through self-heating to a constant temperature above that of the gas stream. In addition, it is controlled by the temperature sensor and bridge circuitry. Our bridge maintains the overheat temperature and counterbalances the temperature effects through our proprietary temperature compensation techniques. \u003ch3\u003e500 Series Flow Meter from \u003ca href=\"https:\/\/psctexas.com\/brand\/epi\/\"\u003eEldridge Products Inc. (EPI)\u003c\/a\u003e\n\u003c\/h3\u003e Our inline style thermal mass flow meters include a flow section that matches the user’s flow conduit and then usually plumbs directly into the process line. Furthermore, the sensing elements mount directly in the flow section for exposure to the process gas. Our inline style thermal mass flow meters are available in sizes from 1\/4\" pipe through 2.5\" pipe. The 3.5\" long flow sections have MNPT ends as standard for easy mounting in the process line (options available for pipe sizes over 2.5\"). Integral style thermal mass flow meters have all the electrical components and connections within one enclosure. This enclosure features a rating for non-hazardous environments. Then the enclosure mounts directly to the inline flow section assembly at the point of measurement. The enclosure includes all the electrical connections as well as the linearizing electronics and the display \/ keypad assembly. \u003ch3\u003eOperation Principle\u003c\/h3\u003e Thermal mass flow meters from Eldridge Products use the principle of convective heat transfer to directly measure mass flow. Our proprietary thermal mass flow sensors use two ratiometrically-matched, reference-grade platinum Resistance Temperature Detectors (RTDs). The platinum sensing element wire is encapsulated in a 316 Stainless Steel sheath or, if specified, a Hastelloy C sheath. Our microcontroller smart sensor technology preferentially heats one RTD. Meanwhile, the other RTD acts as the temperature reference. The process gas flow dissipates heat from the first RTD, causing an increase in the power necessary to maintain a balance between the RTDs. This increase directly relates to the gas molecular rate of flow. Our sensors are temperature compensated for a wide process gas temperature range and insensitive to pressure changes, so the output signal is a true mass flow rate signal. \u003ch3 style=\"text-align: left;\"\u003eConfiguration Options Eldridge Products - ValuMass 500 Series VAL\u003c\/h3\u003e \u003ch5\u003eMeter Orientation\u003c\/h5\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePipe Orientation\u003c\/strong\u003e: Horizontal, Vertical\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlow Direction\u003c\/strong\u003e: left to right, right to left, top to bottom, bottom to top\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure Mounting Preferences\u003c\/strong\u003e: Left Side, Right Side, Above Pipe, Below Pipe\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eMeter Housing\u003c\/h5\u003e \u003cul\u003e \u003cli\u003edisplay with keypad\u003c\/li\u003e \u003cli\u003eno display\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003ePipe Information\u003c\/h5\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePipe Size Range\u003c\/strong\u003e: 1\/4\" to 2.5\" (custom options available)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength of Flow Section\u003c\/strong\u003e: 3.5\" (custom options available)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInner Diameter\u003c\/strong\u003e: 0.364\" (6.35 mm) [based on ANSI standards]\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePipe Standard\u003c\/strong\u003e: ANSI, Schedule 40\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eInput Power and Communication Options\u003c\/h5\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eInput Power\u003c\/strong\u003e: 12-18 VDC, 18-24 VDC, VAC 105-120, VAC 210-240\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCommunication Options\u003c\/strong\u003e: Standard (\u003ca href=\"https:\/\/modbus.org\" target=\"_blank\" rel=\"nofollow noopener\"\u003eModbus RTU\u003c\/a\u003e), \u003ca href=\"https:\/\/psctexas.com\/product-tag\/hart\/\"\u003eHART\u003c\/a\u003e, \u003ca href=\"https:\/\/bacnet.org\" target=\"_blank\" rel=\"nofollow noopener\"\u003eBACnet\u003c\/a\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e4-20 mA Flow Output\u003c\/strong\u003e: Self Powered, Isolated-Loop Powered\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e4-20 mA Temp Output\u003c\/strong\u003e: Standard\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVDC Flow Output\u003c\/strong\u003e (when applicable): 0-5, 0-10\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVDC Temp Output\u003c\/strong\u003e: 0-5, 0-10\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eMounting Requirements\u003c\/h5\u003e \u003cul\u003e \u003cli\u003eMNPT Ends\u003c\/li\u003e \u003cli\u003eButt End\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eSensor Wetted Materials\u003c\/h5\u003e \u003cul\u003e \u003cli\u003eStainless Steel 316L\u003c\/li\u003e \u003c\/ul\u003e","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878364405891,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/Eldridge-Products-ValuMass-Inline-Thermal-Mass-Flow-Meter-500-VAL-EPI-Process-Solutions-Corp.png?v=1763385160"},{"product_id":"master-touch-series-8600-8700mpnh-gen-inline-flow-meters","title":"Master-Touch Series 8600-8700MPNH GEN Inline Flow Meters","description":"\u003cp\u003eMaster-Touch Series 8600-8700MPNH GEN Inline Flow Meters are rugged, cleanable, thermal mass flow sensors. These units consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors feature construction of reference grade platinum, ceramic, glass, and stainless steel. Two platinum resistance sensors are built up upon the ceramic substrate and then receive a thin glass coating.\u003c\/p\u003e\n\u003cp\u003eThe assembly then slips into a stainless-steel sheath for corrosion and abrasion resistance. The sensor assembly is large, rugged, and relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas and maintains a reference resistance on one side of a bridge circuit.\u003c\/p\u003e\n\u003cp\u003eThe second sensor undergoes self-heating, using a temperature sensor and bridge circuitry, to a constant temperature above that of the gas stream. The bridge maintains overheat temperature and counterbalances the temperature effects through Eldridge Product Inc.'s (EPI) proprietary temperature compensation techniques.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eaccuracy: ± 1% of reading + 0.5% of full scale + GTC\u003c\/li\u003e\n\u003cli\u003erepeatability: ± 0.2% of full scale\u003c\/li\u003e\n\u003cli\u003esensor response time: 1 second to 63% of final value\u003c\/li\u003e\n\u003cli\u003egas temperature coefficient (GTC): 0.02% full scale\/˚C\u003c\/li\u003e\n\u003cli\u003egas pressure effect: negligible over ±  50% of factory calibration pressure\u003c\/li\u003e\n\u003cli\u003ecertifications: CE, \u003ca rel=\"nofollow noopener\" href=\"https:\/\/www.csagroup.org\/\" target=\"_blank\" title=\"CSA Group\"\u003eCSA\/CUS\u003c\/a\u003e - Class 2252-03 \u0026amp; 2252-83, CSA Enclosures Type 4X, \u003ca rel=\"nofollow noopener\" href=\"https:\/\/www.iec.ch\/ip-ratings\" target=\"_blank\" title=\"International Electrotechnical Commission\"\u003eIP66\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003eMaster-Touch 8600-8700 Series Flow Meters\u003c\/h2\u003e\n\u003cp\u003eMaster-Touch inline style thermal mass flow meters include a flow section that matches the user’s flow conduit and then plumbs directly into the process line. The sensing elements mount directly in the flow section for exposure to the process gas. The inline style thermal mass flow meters are available in sizes from 1\/4\" pipe through 4\" pipe or tube. They feature a variety of options such as MNPT ends, tube end fittings, butt weld ends, flanged end configurations, etc. as per application requirement.\u003c\/p\u003e\n\u003cp\u003ePipe sizes more than 4\" typically require insertion style thermal mass flow meters. Integral style thermal mass flow meters have all the electrical components and connections within one enclosure. This enclosure offers ratings for non-hazardous environments. Furthermore, the enclosure mounts directly to the inline flow section or to the insertion probe assembly at the point of measurement. The enclosure includes all electrical connections as well as the linearizing electronics and the display \/ keypad assembly.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eThermal Mass Flow Meters for Gases\u003c\/h2\u003e\n\u003cp\u003eThermal mass flow meters use the principle of convective heat transfer to directly measure mass flow. EPI’s proprietary thermal mass flow sensors use two ratiometrically-match, reference-grade platinum Resistance Temperature Detectors (RTDs). In addition, the platinum sensing element wire is in a 316 Stainless Steel sheath or, if necessary, a Hastelloy C sheath. Our microcontroller smart sensor technology preferentially heats one RTD. Then the other RTD acts as the temperature reference.\u003c\/p\u003e\n\u003cp\u003eThe process gas flow dissipates heat from the first RTD, causing an increase in the power necessary to maintain a balance between the RTDs. This increase directly relates to the gas molecular rate of flow. Our sensors are temperature compensated for a wide process gas temperature range and are insensitive to pressure changes, so the output signal is a true mass flow rate signal.  \u003c\/p\u003e","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878425944195,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/EPI-Eldridge-Products-Master-Touch-Series-8600-8700MPNH-GEN-Inline-Aeration-Flow-Meters-Gas-Thermal-Mass-Flow-Meter-Process-Solutions-Corp.png?v=1763386473"},{"product_id":"insertion-flow-meters-master-touch-series-8800mp-haz","title":"Insertion Flow Meters, Master-Touch Series 8800MP HAZ","description":"Our \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/insertion-flow-meters\/\"\u003einsertion flow meters\u003c\/a\u003e, from \u003ca href=\"https:\/\/psctexas.com\/brand\/epi\/\"\u003eEPI\u003c\/a\u003e, provide accurate, consistent, and rapid real-time flow measurement with a sensor that is both temperature and pressure corrective. Each flow meter is calibrated using standards traceable to the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"nofollow noopener\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e. \u003cul\u003e \u003cli\u003eaccuracy: ± (1% of reading + 0.5% of full scale + GTC)\u003c\/li\u003e \u003cli\u003erepeatability: ± 0.2% of full scale\u003c\/li\u003e \u003cli\u003esensor response time: 1 second to 63% of final value\u003c\/li\u003e \u003cli\u003egas temperature coefficient (GTC): 0.02% full scale\/˚C\u003c\/li\u003e \u003cli\u003egas pressure effect: negligible over ± 50% of factory calibration pressure\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003e\u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/\"\u003eThermal Mass Flow Meters\u003c\/a\u003e\u003c\/h3\u003e \u003ca href=\"https:\/\/psctexas.com\/brand\/epi\/\"\u003eMaster-Touch Series 8800MP HAZ Insertion Flow Meters\u003c\/a\u003e include a rugged and cleanable thermal mass flow sensor. These units consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors consist of reference grade platinum, ceramic, glass, and stainless steel. Two platinum resistance sensors are built up upon the ceramic substrate and then given a thin glass coating. The assembly then slips into a stainless-steel sheath for corrosion and abrasion resistance. The sensor assembly is large, rugged, and relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas. This maintains a reference resistance on one side of a bridge circuit. The second sensor undergoes self-heating to a constant temperature above that of the gas stream from control by the temperature sensor and bridge circuitry. Our bridge maintains the overheat temperature and counterbalances the temperature effects through our proprietary temperature compensation techniques. \u003ch3\u003eMaster-Touch 8800 Series Insertion Flow Meters for Hazardous Locations\u003c\/h3\u003e Insertion style thermal mass flow meters include a sensor and probe assembly that is inserted into the process gas flow conduit to allow the process gas to flow across the flow sensing elements. Our insertion style flow meters are available with 1\/2\", 3\/4\", or 1\" OD probes. Tube fittings and ball valve retractor assemblies, with or without a mounting flange, are also available from the factory as options. The tube length must be specified upon ordering. For other probe diameters and lengths, please consult the factory. Integral style thermal mass flow meters have all the electrical components and connections within one enclosure. This enclosure offers \u003ca href=\"https:\/\/psctexas.com\/product-tag\/hazloc-rated\/\"\u003eratings for hazardous environments\u003c\/a\u003e. The enclosure mounts directly to the \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/inline-flow-meters\/\"\u003einline flow section\u003c\/a\u003e or to the \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/insertion-flow-meters\/\"\u003einsertion probe assembly\u003c\/a\u003e at the point of measurement. The enclosure includes all the electrical connections as well as the linearizing electronics and the display\/keypad assembly. \u003ch3\u003e\n\u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/insertion-flow-meters\/\"\u003eThermal Mass Flow Insertion Flow Meters\u003c\/a\u003e Operation Principle\u003c\/h3\u003e Thermal mass insertion flow meters use the principle of convective heat transfer to directly measure mass flow. Our proprietary thermal mass flow sensors use two ratiometrically-matching, reference-grade platinum Resistance Temperature Detectors (RTDs). The platinum sensing element wire is encapsulated in a 316 Stainless Steel sheath or, if specified, a Hastelloy C sheath. Our microcontroller uses smart sensor technology to preferentially heat one RTD. Meanwhile, the other RTD acts as the temperature reference. The process gas flow dissipates heat from the first RTD, causing an increase in the power necessary to maintain a balance between the RTDs. This increase relates directly to the gas molecular rate of flow. Our sensors are also temperature compensated for a wide process gas temperature range. In addition, they are insensitive to pressure changes, so the output signal is a true mass flow rate signal. \u003ch3 style=\"text-align: left;\"\u003eConfiguration Options for the Master-Touch Series 8800 MP HAZ\u003c\/h3\u003e \u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/11\/EPI-Master-Touch-8800MP-HAZ-Insertion-Flow-Meters-for-Hazardous-Areas-Eldridge-Products-Inc-PSC-Texas.jpg\"\u003e\u003cimg class=\"alignright wp-image-26268 size-full\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/11\/EPI-Master-Touch-8800MP-HAZ-Insertion-Flow-Meters-for-Hazardous-Areas-Eldridge-Products-Inc-PSC-Texas.jpg\" alt=\"EPI-Master-Touch-8800MP-HAZ-Insertion-Flow-Meters-for-Hazardous-Areas-Eldridge-Products-Inc-PSC-Texas\" width=\"1000\" height=\"681\"\u003e\u003c\/a\u003e \u003ch5\u003eCertifications\u003c\/h5\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.csagroup.org\" target=\"_blank\" rel=\"nofollow noopener\"\u003eCSA\/CUS\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.ul.com\/services\/atex-certification-european-union\" target=\"_blank\" rel=\"nofollow noopener\"\u003eATEX\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.iecex.com\" target=\"_blank\" rel=\"nofollow noopener\"\u003eIECEx\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003eKOSHA\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eApprovals\u003c\/h5\u003e \u003cul\u003e \u003cli\u003eT2\u003c\/li\u003e \u003cli\u003eT3\u003c\/li\u003e \u003cli\u003eT4\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eMeter Orientation\u003c\/h5\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePipe Orientation\u003c\/strong\u003e: Horizontal, Vertical\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlow Direction\u003c\/strong\u003e: left to right, right to left, top to bottom, bottom to top\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure Mounting Preferences\u003c\/strong\u003e: Left Side, Right Side, Above Pipe, Below Pipe\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eMeter Housing\u003c\/h5\u003e \u003cul\u003e \u003cli\u003edisplay with keypad\u003c\/li\u003e \u003cli\u003eno display\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eProbe Selection\u003c\/h5\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 1\/2\", 3\/4\", 1\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 6 to 60\" (depending on width)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878425976963,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/Master-Touch-Series-8800-MP-HAZ-Insertion-Flow-Meter-for-Hazardous-Areas-EPI-Eldridge-Products-Inc-Process-Solutions-Corp.png?v=1763386473"},{"product_id":"master-touch-8200mp-haz-r-remote-transmitter-insertion","title":"Master-Touch 8200MP HAZ R, Remote Transmitter, Insertion","description":"The Master-Touch 8200MP HAZ R Series includes a rugged, cleanable, \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/thermal-mass-flow-meters\/\"\u003ethermal mass flow sensor with remote transmitter\u003c\/a\u003e. These units consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors are constructed of reference grade platinum, ceramic, glass, and stainless steel. Two platinum resistance sensors are built upon the ceramic substrate and they receive a thin glass coating. The assembly then slips into a stainless-steel sheath for corrosion and abrasion resistance. The sensor assembly is large, rugged, and relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas and maintains a reference resistance on one side of a bridge circuit. The second sensor undergoes self-heating to a constant temperature above that of the gas stream. The temperature sensor and bridge circuitry controls the heating process. Our bridge maintains the overheat temperature and counterbalances the temperature effects through proprietary temperature compensation techniques. \u003ch3\u003e\u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/\"\u003e8200 Series Flow Meters with Remote Transmitter for Hazardous Locations\u003c\/a\u003e\u003c\/h3\u003e \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/insertion-flow-meters\/\"\u003eInsertion style thermal mass flow meters\u003c\/a\u003e include a sensor and probe assembly that inserts into the process gas flow conduit.  In doing this, it allows process gas to flow across the flow sensing elements. Our insertion style flow meters are available with 1\/2\", 3\/4\", or 1\" OD probes. Tube fittings and ball valve retractor assemblies, with or without a mounting flange, are also available from the factory as options. Operators must indicate the tube length upon ordering. For other probe diameters and lengths, \u003ca href=\"mailto:sales@psctexas.com\"\u003eplease reach out for additional support\u003c\/a\u003e. Remote style thermal mass flow meters utilize two enclosures. First, an enclosure mounts at the point of measurement on the probe assembly. This enclosure offers ratings for hazardous environments. The second (remote) enclosure positions in a readily accessible location with non-hazardous conditions. \u003ca href=\"mailto:sales@psctexas.com\"\u003eContact us for information concerning remote explosion-proof enclosure\u003c\/a\u003e. The remote enclosure includes all the electrical connections as well as the linearizing electronics and the display\/keypad assembly. A 5-conductor shield cable is necessary to carry the flow signal between the two enclosures. \u003ch3\u003e\u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/thermal-mass-flow-meters\/\"\u003eThermal Mass Flow Meters\u003c\/a\u003e\u003c\/h3\u003e \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/thermal-mass-flow-meters\/\"\u003eThermal mass flow meters\u003c\/a\u003e use the principle of convective heat transfer to directly measure mass flow. \u003ca href=\"https:\/\/psctexas.com\/brand\/epi\/\"\u003eEPI’s\u003c\/a\u003e proprietary thermal mass flow sensors use two ratiometric, reference-grade platinum Resistance Temperature Detectors (RTDs). The platinum sensing element wire is in a 316 Stainless Steel sheath or, if necessary, a Hastelloy C sheath. Our microcontroller smart sensor technology preferentially heats one RTD. Then, the other RTD acts as the temperature reference. The process gas flow dissipates heat from the first RTD, causing an increase in the power necessary to maintain a balance between the RTDs. This increase directly relates to the gas molecular rate of flow. Our sensors temperature compensate for a wide process gas temperature range and are insensitive to pressure changes. Thus, the output signal is a true mass flow rate signal. \u003ch3 style=\"text-align: left;\"\u003eConfiguration Options for the Master-Touch 8200MP HAZ R, Remote Transmitter\u003c\/h3\u003e \u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/12\/Eldridge-Products-Inc-EPI-Master-Touch-8200MP-HAZ-R-Insertion-Flow-Meter-with-Remote-Transmitter-Process-Solutions-Texas.jpg\"\u003e\u003cimg class=\"alignright wp-image-26291 size-full\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/12\/Eldridge-Products-Inc-EPI-Master-Touch-8200MP-HAZ-R-Insertion-Flow-Meter-with-Remote-Transmitter-Process-Solutions-Texas.jpg\" alt=\"Eldridge-Products-Inc-EPI-Master-Touch-8200MP-HAZ-R-Insertion-Flow-Meter-with-Remote-Transmitter-Process-Solutions-Texas\" width=\"1000\" height=\"502\"\u003e\u003c\/a\u003e \u003ch5\u003eCertifications\u003c\/h5\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.csagroup.org\" target=\"_blank\" rel=\"nofollow noopener\"\u003eCSA\/CUS\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.ul.com\/services\/atex-certification-european-union\" target=\"_blank\" rel=\"nofollow noopener\"\u003eATEX\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.iecex.com\" target=\"_blank\" rel=\"nofollow noopener\"\u003eIECEx\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003eKOSHA\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eApprovals\u003c\/h5\u003e \u003cul\u003e \u003cli\u003eT2\u003c\/li\u003e \u003cli\u003eT3\u003c\/li\u003e \u003cli\u003eT4\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eMeter Orientation\u003c\/h5\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePipe Orientation\u003c\/strong\u003e: Horizontal, Vertical\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlow Direction\u003c\/strong\u003e: left to right, right to left, top to bottom, bottom to top\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure Mounting Preferences\u003c\/strong\u003e: Left Side, Right Side, Above Pipe, Below Pipe\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eMeter Housing\u003c\/h5\u003e \u003cul\u003e \u003cli\u003eDual Sided Explosion-Proof Enclosure For Hazardous Locations\u003c\/li\u003e \u003cli\u003e8\" X 10\" Ordinary Locations (Non-Explosion Proof)\u003c\/li\u003e \u003c\/ul\u003e \u003ch5\u003eProbe Selection\u003c\/h5\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 1\/2\", 3\/4\", 1\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 6 to 60\" (depending on width)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBall Valve Retractor\u003c\/strong\u003e: Optional\u003c\/li\u003e \u003c\/ul\u003e","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878426009731,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/EPI-Master-Touch-Series-8200MP-HAZ-R-Remote-Insertion-Flow-Meters-Process-Solutions-Corp.png?v=1763386474"},{"product_id":"master-touch-averaging-flow-tube-9700mp-haz-fat","title":"Master-Touch Averaging Flow Tube, 9700MP HAZ FAT","description":"\u003cp\u003eMaster-Touch 9700MP HAZ FAT in-line averaging flow tube flow meters include a rugged, cleanable, thermal mass flow sensor. These units consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors, from Eldridge Products Inc. (EPI), consist of reference grade platinum, ceramic, glass, and stainless steel. Two platinum resistance sensors are built up upon the ceramic substrate and then given a thin glass coating.\u003c\/p\u003e\n\u003cp\u003eThe assembly then slips into a stainless-steel sheath for corrosion and abrasion resistance. The flow tube sensor assembly is large, rugged, and relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas.\u003c\/p\u003e\n\u003cp\u003e This maintains a reference resistance on one side of a bridge circuit. The second sensor undergoes self-heating to a constant temperature above that of the gas stream from control by the temperature sensor and bridge circuitry. Our bridge maintains the overheat temperature and counterbalances the temperature effects through our proprietary temperature compensation techniques.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003e9700 MP Series Averaging Flow Tube Flow Meter for Hazardous Areas\u003c\/h2\u003e\n\u003cp\u003eInline style thermal mass flow meters include a flow section that meets the user’s flow conduit. Then it plumbs directly into the process line. The sensing elements of this design mount directly in the flow section for exposure to the process gas. Our inline style thermal mass flow meters are available in sizes from 1\/4\" pipe through 4\" pipe or tube. Furthermore, they feature a variety of options such as MNPT ends, tube end fittings, butt weld ends, flanged end configurations, etc.\u003c\/p\u003e\n\u003cp\u003ePipe sizes more than 4\" typically require insertion style thermal mass flow meters. Integral style flow tube thermal mass flow meters have all the electrical components and connections within one enclosure. This enclosure offers ratings for hazardous environments. The enclosure mounts directly to the inline flow section at the point of measurement. The enclosure includes all the electrical connections as well as the linearizing electronics and the display \/ keypad assembly.\u003c\/p\u003e\n\u003cp\u003eOur patented Flow Averaging Tube (FAT) designs use the principle of convective heat transfer to directly measure mass flow. Moreover, they are ideal for most applications with limited available straight run. In many installations, the up-stream straight run can reduce to three diameters. The probe has several large diameter inlet ports along the length of the upstream impact surface.\u003c\/p\u003e\n\u003cp\u003eThe pressure at each inlet port is averaged inside the tube to create the axial flow through the tube and across our flow sensor. The gas returns to the main flow stream through the ports near the sensing elements. Anomalies in the actual flow profile or installations in non-circular ducts may still require some minor adjustment to achieve the best accuracy.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003eConfiguration Options for the Master-Touch Series 9700 MP HAZ FAT\u003c\/h2\u003e\n\u003ch4\u003eCertifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"nofollow noopener\" href=\"https:\/\/www.csagroup.org\" target=\"_blank\"\u003eCSA\/CUS\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"nofollow noopener\" href=\"https:\/\/www.ul.com\/services\/atex-certification-european-union\" target=\"_blank\"\u003eATEX\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"nofollow noopener\" href=\"https:\/\/www.iecex.com\" target=\"_blank\"\u003eIECEx\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eKOSHA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eApprovals\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eT2\u003c\/li\u003e\n\u003cli\u003eT3\u003c\/li\u003e\n\u003cli\u003eT4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMeter Orientation\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Orientation\u003c\/strong\u003e: horizontal, vertical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Direction\u003c\/strong\u003e: left to right, right to left, top to bottom, bottom to top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Mounting Preferences\u003c\/strong\u003e: left side, right side, above pipe, below Pipe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMeter Housing\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003edisplay with keypad\u003c\/li\u003e\n\u003cli\u003eno display\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878426042499,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/EPI-Master-Touch-Series-9700MP-HAZ-FAT-Inline-Flow-Tube-Flowmeter-Process-Solutions-Texas.png?v=1763386475"},{"product_id":"inline-flow-switch-epi-series-7000","title":"Inline Flow Switch, EPI Series 7000","description":"The enclosure for the Series 7000 \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/\"\u003eflow switch\u003c\/a\u003e offers a rating for use in hazardous locations with T2, T3, and T4 approvals and it is available in domestic and international markets. The diecast aluminum, \u003ca href=\"https:\/\/psctexas.com\/ip-rating-for-industrial-instrumentation\/\"\u003eNEMA Type 4X\u003c\/a\u003e watertight enclosure is both flame and explosion proof and features a corrosion resistant finish. \u003cul\u003e \u003cli\u003eapprovals: \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.ul.com\" target=\"_blank\" rel=\"nofollow noopener\"\u003eUL\/CUL Class I, Division 1, Group B\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/psctexas.com\/ip-rating-for-industrial-instrumentation\/\"\u003eNEMA Types 4X\/7\/9\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.ul.com\/services\/atex-certification-european-union\" target=\"_blank\" rel=\"nofollow noopener\"\u003eATEX approval options\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003efinish: safety blue polyester powder-coat\u003c\/li\u003e \u003c\/ul\u003e The 7000 series flow switch includes a rugged, cleanable, thermal mass flow sensor. These units consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors are constructed of reference grade platinum, ceramic, glass, and stainless steel. Two platinum resistance sensors are built up upon the ceramic substrate and then receive a thin glass coating. The assembly then slips into a stainless-steel sheath for corrosion and abrasion resistance. The sensor assembly is large, rugged, and relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas. It also maintains a reference resistance on one side of a bridge circuit. The second sensor undergoes self-heating to a constant temperature above that of the gas stream. The temperature sensor and bridge circuitry controls the heating process. The bridge maintains the overheat temperature and counterbalances the temperature effects through proprietary temperature compensation techniques. \u003ch3\u003e\u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/12\/EPI-Eldridge-Products-Inc-7000-Inline-Flow-Switch-Gen-Flow-Meter-Switch-PSC-Texas.jpg\"\u003e\u003cimg class=\"alignright wp-image-26308 size-full\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/12\/EPI-Eldridge-Products-Inc-7000-Inline-Flow-Switch-Gen-Flow-Meter-Switch-PSC-Texas.jpg\" alt=\"EPI-Eldridge-Products-Inc-7000-Inline-Flow-Switch-Gen-Flow-Meter-Switch-PSC-Texas\" width=\"1000\" height=\"502\"\u003e\u003c\/a\u003e\u003c\/h3\u003e \u003ch3 style=\"text-align: left;\"\u003eEPI 7000 Series Inline Flow Switch\u003c\/h3\u003e The inline style thermal mass flow switch includes the flow sensing element, temperature sensing element, bridge amplifier\/signal output board, transmitter enclo­sure, and flow section. The flow section matches the user’s flow conduit and plumbs directly in the flow line. The sensing elements mount directly in the flow section for exposure to the process flow. Inline flow switches are available in sizes from 1\/4\" pipe through 4\" pipe and offer threaded male NPT ends as the standard mounting style. Optional end mounting styles are available, such as tube ends, tube end fittings, butt weld ends, flanged end configurations, etc. Pipe sizes more than 4\" typically require insertion style thermal mass flow switches. All of EPI’s flow switches have two single-pole, double-throw relays for Hi\/Hi, Lo\/Lo, and Hi\/Lo capability. The contact closure is 5 amps @ 24 VDC and 115 VAC. Two LEDs provide verification when the Hi or Lo alarm triggers. The standard configuration has 316 Stainless Steel wetted parts (Hastelloy \u0026amp; Monel are also available). This design provides a rugged, cleanable instrument that's suitable for use in applications where corrosion, abrasion, high pressure, or rough handling may occur. \u003ch3 style=\"text-align: left;\"\u003eThermal Mass Flow Switches Operating Principle\u003c\/h3\u003e Thermal mass flow switches use the principle of convective heat transfer to directly measure mass flow. Our proprietary thermal mass flow sensors use two ratiometric, reference-grade platinum Resistance Temperature Detectors (RTDs). The platinum sensing element wire is within a 316 Stainless Steel sheath or, if necessary, a Hastelloy C sheath. Smart sensor technology operates the microcontroller which preferentially heats one RTD. Then, the other RTD acts as the temperature reference. The process gas flow dissipates heat from the first RTD, thus causing an increase in the power necessary to maintain a balance between the RTDs. This increase directly relates to the gas molecular rate of flow. Our sensors also offer temperature compensation for a wide process gas temperature range. They are also insensitive to pressure changes, so the output signal is a true mass flow rate signal.","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878426075267,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/EPI-Eldridge-Products-Inc-7000-Inline-Mass-Flow-Switch-Gen-Flow-Meter-Switch-PSC-Texas.png?v=1763386476"},{"product_id":"valumass-series-400-val-inline-flow-meters","title":"ValuMass Series 400 VAL Inline Flow Meters","description":"The ValuMass Series 400 VAL \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/inline-flow-meters\/\"\u003einline flow meters\u003c\/a\u003e are rugged, cleanable, \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/thermal-mass-flow-meters\/\"\u003ethermal mass flow sensors\u003c\/a\u003e. Our VALGEN-RD flow meters consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors are constructed of reference grade platinum, ceramic, glass, and stainless steel. Two platinum resistance sensors position upon a ceramic substrate and then they receive a thin glass coating. The assembly then slips into a stainless-steel sheath for corrosion and abrasion resistance. The sensor assembly is large, rugged, and relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas. It also maintains a reference resistance on one side of a bridge circuit. The temperature sensor and bridge circuitry forces the second sensor through self-heating to a constant temperature above that of the gas stream. The bridge maintains the overheat temperature and counterbalances the temperature effects through proprietary temperature compensation techniques. \u003ch3 style=\"text-align: left;\"\u003eMunicipal and Industrial Inline Flow Meters with Thermal Mass Flow Sensors\u003c\/h3\u003e \u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/12\/EPI-ValuMass-400-Series-Inline-Flow-Meters-VALGEN-RB-Thermal-Mass-Flow-Meter-Process-Solutions-Texas.jpg\"\u003e\u003cimg class=\"alignright wp-image-26318 size-full\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/12\/EPI-ValuMass-400-Series-Inline-Flow-Meters-VALGEN-RB-Thermal-Mass-Flow-Meter-Process-Solutions-Texas.jpg\" alt=\"EPI-ValuMass-400-Series-Inline-Flow-Meters-VALGEN-RB-Thermal-Mass-Flow-Meter-Process-Solutions-Texas\" width=\"1000\" height=\"500\"\u003e\u003c\/a\u003e Our \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/\"\u003eflow meters\u003c\/a\u003e provide accurate, consistent, and rapid real-time flow measurement with a sensor that is both temperature and pressure corrective. Each flow meter is also calibrated using standards traceable to the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"nofollow noopener\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e. \u003cul\u003e \u003cli\u003eaccuracy: ± 1% of reading + 0.5% of full scale + GTC\u003c\/li\u003e \u003cli\u003erepeatability: ± 0.2% of full scale\u003c\/li\u003e \u003cli\u003esensor response time: 1 second to 63% of final value\u003c\/li\u003e \u003cli\u003egas temperature coefficient (GTC): 0.02% full scale\/˚C\u003c\/li\u003e \u003cli\u003egas pressure effect: negligible over ± 50% of factory calibration pressure\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"text-align: left;\"\u003eValuMass Series 400 VAL Inline Flow Meters\u003c\/h3\u003e These thermal mass flow inline flow meters include a flow section that matches the user’s flow conduit. It then plumbs directly into the process line. The sensing elements mount directly in the flow section for exposure to the process gas. Our inline style thermal mass flow meters are available in sizes from 1\/4\" pipe through 2\" pipe. The 3.5\" long flow sections also have MNPT ends as standard for easy mounting in the process line. \u003ca href=\"mailto:sales@psctexas.com\"\u003eYou can contact us\u003c\/a\u003e to inquire about pipe sizes over 2\". Integral style thermal mass inline flow meters contain all the electrical components and connections within one enclosure. Furthermore, this enclosure offers a rating for hazardous environments. The enclosure mounts directly to the inline flow section or to the insertion probe assembly at the point of measurement. The enclosure includes all the electrical connections as well as the linearizing electronics and the display assembly. Each VAL Series 400 aluminum enclosure includes a powder-coat-painted die-cast base and lid with a seal. The ratings available for the enclosure are: \u003ca href=\"https:\/\/www.iec.ch\/ip-ratings\" target=\"_blank\" rel=\"nofollow noopener\"\u003eIP66, NEMA 1, 2, 4, 4X\u003c\/a\u003e. \u003ch3 style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/psctexas.com\/brand\/epi\/\"\u003eEPI Thermal Mass Flow Meters\u003c\/a\u003e\u003c\/h3\u003e Thermal mass flow meters use the principle of convective heat transfer to directly measure mass flow. \u003ca href=\"https:\/\/psctexas.com\/brand\/epi\/\"\u003eEPI’s\u003c\/a\u003e proprietary thermal mass flow sensors use two ratiometric, reference-grade platinum Resistance Temperature Detectors (RTDs). The platinum sensing element wire is in a 316 Stainless Steel sheath or, if necessary, a Hastelloy C sheath. Our microcontroller smart sensor technology preferentially heats one RTD. Then the other RTD acts as the temperature reference. First, the process gas flow dissipates heat from the first RTD. This causes an increase in the power necessary to maintain a balance between the RTDs. This increase directly relates to the gas molecular rate of flow. Our sensors are temperature also compensated for a wide process gas temperature range and insensitive to pressure changes. Therefore, the output signal is a true mass flow rate signal.","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878426108035,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/EPI-ValuMass-400-Series-Inline-Flow-Meter-VALGEN-RB-Thermal-Mass-Flow-Meters-Process-Solutions-Corp.png?v=1763386477"},{"product_id":"valumass-series-540-val-insertion-flow-meters","title":"ValuMass Series 540 VAL Insertion Flow Meters","description":"\u003cp\u003eThe ValuMass Series 540 is a rugged, cleanable, thermal mass flow sensor. These units consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors are constructed of reference grade platinum, ceramic, glass, and stainless steel. Two platinum resistance sensors are upon a ceramic substrate and then receive a thin glass coating. The assembly then slips into a stainless-steel sheath for corrosion and abrasion resistance.\u003c\/p\u003e\n\u003cp\u003eThe sensor assembly is large, rugged, and relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas. It also maintains a reference resistance on one side of a bridge circuit. The temperature sensor and bridge force the second sensor through self-heating to a constant temperature above that of the gas stream. The bridge maintains the overheat temperature and counterbalances the temperature effects through proprietary temperature compensation techniques.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4 style=\"text-align: left;\"\u003eRugged Flow Meters for Gases\u003c\/h4\u003e\n\u003cp\u003e Our ValuMass flow meters, from Eldridge Products Inc. (EPI), provide accurate, consistent, and rapid real-time flow measurement. Furthermore, the sensor is both temperature and pressure corrective. Each flow meter also undergoes calibration using standards traceable to the National Institute of Standards and Technology (\u003ca href=\"https:\/\/www.nist.gov\/\" target=\"_blank\" title=\"National Institute of Standards and Technology\" rel=\"noopener\"\u003eNIST\u003c\/a\u003e).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eaccuracy: ± 1% of reading + 0.5% of full scale + GTC\u003c\/li\u003e\n\u003cli\u003erepeatability: ± 0.2% of full scale\u003c\/li\u003e\n\u003cli\u003esensor response time: 1 second to 63% of final value\u003c\/li\u003e\n\u003cli\u003egas temperature coefficient (GTC): 0.02% full scale\/˚C\u003c\/li\u003e\n\u003cli\u003egas pressure effect: negligible over ± 50% of factory calibration pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003eValuMass 540 Series Flow Meters\u003c\/h2\u003e\n\u003cp\u003eInsertion style thermal mass flow meters include a sensor \u0026amp; probe assembly that inserts into the process gas flow conduit. This allows the process gas to flow across the flow sensing elements. Our insertion style flow meters are available with 1\/2\" OD probes in 6\" to 36\" lengths as well as 3\/4\" probes to 60\" lengths. Tube fittings and ball valve retractor assemblies, with or without a mounting flange, are also available from the factory as options.\u003c\/p\u003e\n\u003cp\u003eUsers must specify the tube length upon ordering. Integral style ValuMass thermal mass flow meters have all the electrical components and connections within one enclosure. This enclosure also offers a rating for non-hazardous environments. The enclosure mounts directly to the insertion probe assembly at the point of measurement. It includes all the electrical connections as well as the linearizing electronics and the display \/ keypad assembly.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003eEPI Thermal Mass Flow Meters\u003c\/h2\u003e\n\u003cp\u003eThermal mass flow meters use the principle of convective heat transfer to directly measure mass flow. Our proprietary thermal mass flow sensors use two ratiometric, reference-grade platinum Resistance Temperature Detectors (RTDs). The platinum sensing element wire is in a 316 Stainless Steel sheath or, if necessary, a Hastelloy C sheath. Our microcontroller smart sensor technology preferentially heats one RTD. Then the other RTD acts as the temperature reference.\u003c\/p\u003e\n\u003cp\u003eThe process gas flow dissipates heat from the first RTD. This causes an increase in the power necessary to maintain a balance between the RTDs. This increase directly relates to the gas molecular rate of flow. Our sensors are also temperature compensated for a wide process gas temperature range. This makes them insensitive to pressure changes, so the output signal is a true mass flow rate signal.\u003c\/p\u003e","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878426140803,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/ValuMass-Series-540-VAL-Eldridge-Products-Inc-EPI-Thermal-Mass-Flow-Meter-Insertion-Flow-Meter-Process-Solutions-Texas.png?v=1763386478"},{"product_id":"master-touch-series-8200mpnh-gen-remote-insertion-flow-meter","title":"Master-Touch Series 8200MPNH GEN Remote Insertion Flow Meter","description":"Master-Touch \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/\"\u003eflow meters\u003c\/a\u003e provide accurate, consistent, and rapid real-time \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/\"\u003eflow measurement\u003c\/a\u003e with a sensor that is both temperature and pressure corrective. Each flow meter undergoes calibration using standards traceable to the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"nofollow noopener\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e. \u003cul\u003e \u003cli\u003eaccuracy: ± 1% of reading + 0.5% of full scale + GTC\u003c\/li\u003e \u003cli\u003erepeatability: ± 0.2% of full scale\u003c\/li\u003e \u003cli\u003esensor response time: 1 second to 63% of final value\u003c\/li\u003e \u003cli\u003egas temperature coefficient (GTC): 0.02% full scale\/˚C\u003c\/li\u003e \u003cli\u003egas pressure effect: negligible over ± 50% of factory calibration pressure\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/\"\u003eFlow Meters for Industrial Flow Measurement and Municipal Flow Metering\u003c\/a\u003e\u003c\/h3\u003e The Master-Touch 8200MPNH Gen Series, from \u003ca href=\"https:\/\/psctexas.com\/brand\/epi\/\"\u003eEPI\u003c\/a\u003e, includes rugged, cleanable, \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/thermal-mass-flow-meters\/\"\u003ethermal mass flow sensors\u003c\/a\u003e. These units consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors are reference grade platinum, ceramic, glass, and stainless steel. Two platinum resistance sensors are built up upon the ceramic substrate and then given a thin glass coating. The assembly then slips into a stainless-steel sheath for corrosion and abrasion resistance. Master-Touch GEN Series thermal mass flow meter enclosures offer ratings for use in ordinary locations. Furthermore, they are applicable in wet and dusty environments and are corrosion resistant. \u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/12\/EPI-Master-Touch-Series-8200MPNH-GEN-R-Remote-Flow-Transmitter-Thermal-Mass-Flow-Meter-Insertion-Probe-Process-Solutions-Corp.jpg\"\u003e\u003cimg class=\"alignright wp-image-26337 size-full\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/12\/EPI-Master-Touch-Series-8200MPNH-GEN-R-Remote-Flow-Transmitter-Thermal-Mass-Flow-Meter-Insertion-Probe-Process-Solutions-Corp.jpg\" alt=\"EPI-Master-Touch-Series-8200MPNH-GEN-R-Remote-Flow-Transmitter-Thermal-Mass-Flow-Meter-Insertion-Probe-Process-Solutions-Corp\" width=\"1000\" height=\"500\"\u003e\u003c\/a\u003e \u003cul\u003e \u003cli\u003etransparent cover with four non-metallic corner screws\u003c\/li\u003e \u003cli\u003emaintenance free as well as corrosion resistant\u003c\/li\u003e \u003cli\u003eknockouts in the base facilitate conduit entry\u003c\/li\u003e \u003cli\u003econtinuous gaskets made of polyurethane foam guarantee optimal integrity\u003c\/li\u003e \u003c\/ul\u003e The sensor assembly is large, rugged, and relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas. This maintains a reference resistance on one side of a bridge circuit. The temperature sensor and bridge circuitry forces the second sensor through self-heating to a constant temperature above that of the gas stream. The bridge maintains the overheat temperature and counterbalances the temperature effects through proprietary temperature compensation techniques. \u003ch3 style=\"text-align: left;\"\u003eMaster-Touch 8200 Series Flow Meters for Non-hazardous Use\u003c\/h3\u003e \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow-2\/insertion-flow-meters\/\"\u003eInsertion style thermal mass flow meters\u003c\/a\u003e include a sensor \u0026amp; probe assembly that inserts into the process gas flow conduit. This allows the process gas to flow across the flow sensing elements. Our insertion style flow meters are available with 1\/2\", 3\/4\", or 1\" OD probes. Tube fittings and ball valve retractor assemblies, with or without a mounting flange, are also available from the factory as options. Users must specify the tube length upon ordering. \u003ca href=\"mailto:sales@psctexas.com\"\u003ePlease contact us\u003c\/a\u003e for other probe diameters and lengths. Master-Touch remote style thermal mass flow meters utilize two enclosures. One enclosure mounts at the point of measurement on the flow section. This enclosure also offers a rating for non-hazardous environments. Then, the second (remote) enclosure is usually in a readily accessible location with rating for non-hazardous conditions. The remote enclosure includes all the electrical connections as well as the linearizing electronics. Furthermore, it features the display \/ keypad assembly. A 5-conductor shielded cable is necessary to carry the flow signal between the two enclosures. \u003ch3\u003eMaster-Touch Rugged Thermal Mass Flow Meters\u003c\/h3\u003e Thermal mass flow meters use the principle of convective heat transfer to directly measure mass flow. Our proprietary thermal mass flow sensors use two ratiometric, reference-grade platinum Resistance Temperature Detectors (RTDs). The platinum sensing element wire is in a 316 Stainless Steel sheath or, if necessary, a Hastelloy C sheath. Our microcontroller smart sensor technology preferentially heats one RTD. Then, the other RTD acts as the temperature reference. As a result, the process gas flow dissipates heat from the first RTD, causing an increase in the power necessary to maintain a balance between the RTDs. This increase directly relates to the gas molecular rate of flow. Our sensors also feature temperature compensation for a wide process gas temperature range. They are insensitive to pressure changes, so the output signal is a true mass flow rate signal.","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878426206339,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/Master-Touch-Series-8200MPNH-GEN-R-Remote-Flow-Transmitter-Thermal-Mass-Flow-Meter-Insertion-Probe-Process-Solutions-Corp.png?v=1763386480"},{"product_id":"insertion-flow-meter-master-touch-9800mp-haz-fat","title":"Insertion Flow Meter, Master-Touch 9800MP HAZ FAT","description":"The Master-Touch 9800MP HAZ FAT \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow\/industrial-flow\/insertion-flow-meters\/\"\u003einsertion flow meter\u003c\/a\u003e is a rugged, cleanable, \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow\/flow-sensor\/thermal-mass-flow\/\"\u003ethermal mass flow meter\u003c\/a\u003e for gases. These units consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors consist of reference grade platinum, ceramic, glass, as well as stainless steel. Two platinum resistance sensors are built upon the ceramic substrate and then receive a thin glass coating. The assembly is then slipped into a stainless-steel sheath for corrosion and abrasion resistance. The sensor assembly is large, rugged, and relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas and maintains a reference resistance on one side of a bridge circuit. The second sensor is forced through self-heating to a constant temperature above that of the gas stream and is controlled by the temperature sensor as well as the bridge circuitry. The bridge maintains the overheat temperature and also counterbalances the temperature effects through EPI's proprietary temperature compensation techniques. \u003cul\u003e \u003cli\u003eFeatures a certification for \u003ca href=\"https:\/\/psctexas.com\/product-tag\/hazloc-rated\/\"\u003ehazardous locations\u003c\/a\u003e (HAZ) with an explosion‑proof enclosure, thus ensuring safe operation in classified environments.\u003c\/li\u003e \u003cli\u003eEmploys Flow Averaging Tube (FAT) technology to average multiple sensing points and deliver accurate \u003ca href=\"https:\/\/psctexas.com\/product-category\/flow\/\"\u003emass flow measurements\u003c\/a\u003e, even in short straight‑run ducts.\u003c\/li\u003e \u003cli\u003eProvides direct mass flow output without the need for separate temperature or pressure compensation, thus simplifying system integration and control.\u003c\/li\u003e \u003cli\u003ePerfect for easy insertion style mounting into existing pipelines or ducts, which minimizes installation costs as well as downtime.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eMaster-Touch 9800MP Insertion Flow Meter for Hazardous Locations\u003c\/h3\u003e Insertion style thermal mass flow meters include a sensor and probe assembly that inserts into the process gas flow conduit. This allows the process gas to flow across the flow inlet tube. Master-Touch 9800MP insertion flow meters are available with 1\/2\", 3\/4\", or 1\" OD probes. Tube fittings and ball valve retractor assemblies, with or without a mounting flange, are also available from the factory as options. The tube length is determined by the size of the process pipe. Large ducts or stacks may require multiple averaging tubes to achieve the very best accuracy. For problematic or unique installations, please consult the factory. Integral style thermal mass flow meters have all the electrical components and connections  within one enclosure. This enclosure offers a rating for hazardous environments. The enclosure can mount directly to the inline flow section or to the insertion probe assembly at the point of measurement. The enclosure includes all the electrical connections as well as the linearizing electronics and the display \/ keypad assembly. \u003ch3\u003eFlow Averaging Thermal Mass Flow Meter from Eldridge Products Inc. (EPI)\u003c\/h3\u003e Our patented Flow Averaging Tubes (FAT) use the principle of convective heat transfer to directly measure mass flow and are suitable for most applications with limits in available straight run. In many installations, the up-stream straight run can reduce to three diameters. The probe has several large diameter inlet ports along the length of the upstream impact surface. The pressure at each inlet port averages inside the tube to create the axial flow through the tube and across the flow sensor. The gas returns to the main flow stream through the ports near the sensing elements. Anomalies in the actual flow profile or installations in non-circular ducts may still some require minor adjustment to achieve the best accuracy. \u003ch3\u003eSuperior Insertion Flow Measurement and Calibration\u003c\/h3\u003e EPI insertion flow meters provide accurate, consistent, and rapid real-time flow measurement with a sensor that is both temperature and pressure corrective. In addition, each flow meter features calibration using standards traceable to the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e. \u003cul\u003e \u003cli\u003eAccuracy: ±(1% of reading + 0.5% of full scale + GTC)\u003c\/li\u003e \u003cli\u003eRepeatability: ±0.2% of full scale\u003c\/li\u003e \u003cli\u003eSensor response time: 1 second to 63% of final value\u003c\/li\u003e \u003cli\u003eGas temperature coefficient (GTC): 0.02% full scale\/˚C\u003c\/li\u003e \u003cli\u003eGas pressure effect: negligible over ±50% of factory calibration pressure\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eMaster-Touch 9800MP HAZ FAT for Hazardous Locations\u003c\/h3\u003e EPI’s HAZ series full assembly is suitable for use in hazardous locations with T2, T3, and T4 approvals available in domestic and also in international markets. The diecast aluminum, \u003ca href=\"https:\/\/psctexas.com\/ip-rating-for-industrial-instrumentation\/\"\u003eNEMA Type 4X\u003c\/a\u003e watertight enclosure is both flame and explosion-proof and features a corrosion resistant finish. \u003ca href=\"https:\/\/psctexas.com\/ul-standards-for-hazardous-location-industrial-instrumentation\/\"\u003eDomestic: CSA\/CUS\u003c\/a\u003e \u003cul\u003e \u003cli\u003eClass1 Group B, C, D\u003c\/li\u003e \u003cli\u003eClass2 Group E, F, G\u003c\/li\u003e \u003cli\u003eClass3\u003c\/li\u003e \u003cli\u003eNEMA Type 4X\u003c\/li\u003e \u003c\/ul\u003e International: T2, T3, and T4 \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.ul.com\/services\/atex-certification-european-union\" target=\"_blank\" rel=\"noopener\"\u003eATEX\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.iecex.com\" target=\"_blank\" rel=\"noopener\"\u003eIECEx\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/www.kosha.or.kr\/extapp\/english\/index.do\" target=\"_blank\" rel=\"nofollow noopener\"\u003eKOSHA\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2025\/10\/Insertion-Flow-Meter-EPI-Master-Touch-9800MP-Haz-Fat-Eldridge-Products-Inc.-Thermal-Mass-Flowmeter-Process-Solutions-Corp-Texas.jpg\"\u003e\u003cimg class=\"aligncenter wp-image-30274 size-full\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2025\/10\/Insertion-Flow-Meter-EPI-Master-Touch-9800MP-Haz-Fat-Eldridge-Products-Inc.-Thermal-Mass-Flowmeter-Process-Solutions-Corp-Texas.jpg\" alt=\"Insertion-Flow-Meter-EPI-Master-Touch-9800MP-Haz-Fat-Eldridge-Products-Inc.-Thermal-Mass-Flowmeter-Process-Solutions-Corp-Texas\" width=\"1000\" height=\"689\"\u003e\u003c\/a\u003e","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878434660483,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/EPI-Series-9800-MP-Insertion-probe-FAT-flow-averaging-tube-thermal-flow-meter-eldridge-products-psc-texas.png?v=1763386612"},{"product_id":"multipoint-flow-meter-master-touch-series-9000mp","title":"Multipoint Flow Meter, Master-Touch Series 9000MP","description":"\u003cp\u003eFor applications that require advanced multipoint measurements of thermal mass flow, the 9000MP Multipoint flow meter is the essential choice for you. This sensor flow enclosure on this multipoint flow meter system, from Eldridge Products Inc. (EPI) is highly durable and can be in service in wet, corrosive and high temperature environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStainless steel continuous hinge and stainless steel corner screws\u003c\/li\u003e\n\u003cli\u003eMaintenance free and corrosion resistant\u003c\/li\u003e\n\u003cli\u003eGaskets are made from continuously poured polyurethane foam\u003c\/li\u003e\n\u003cli\u003eThe remote enclosure is also durable and watertight\n\u003cul\u003e\n\u003cli\u003eFlat cover with bonded window\u003c\/li\u003e\n\u003cli\u003eStainless steel continuous hinge as well as stainless steel corner screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAble to effectively function in any large air intake ducts, air exhausts, or flue stacks, these dynamic and advanced flow meters deliver unparalleled service. Perfect for large industry settings and currently in use at many pulp and paper mills and also power source companies across the world, the Series 9000MP is the pinnacle of large-scale thermal mass flow insertion flow meters.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eMultipoint Flow Meter, Master-Touch Series 9000MP\u003c\/h2\u003e\n\u003cp\u003eA unique feature of the 9000MP multipoint flow meters is that they can integrate an optional Air Purge System, which provides a simple way to clean the sensors. This feature is completely dynamic, giving you control over duration as well as frequency with EPI’s state-of-the-art Master-Touch Software.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePerfect for large scale industry operations\u003c\/li\u003e\n\u003cli\u003eMultiple probe system for reliability\u003c\/li\u003e\n\u003cli\u003eReplaceable and removable sensors\u003c\/li\u003e\n\u003cli\u003eConstant and Trustworthy monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMaster-Touch products include a rugged, cleanable, thermal mass flow sensor. These units consist of a sensor assembly which utilizes two RTD (Resistance Temperature Detector) sensing elements. The sensors consist of reference grade platinum, ceramic, glass, and also stainless steel. Two platinum resistance sensors are built up upon the ceramic substrate and then given a thin glass coating. The assembly is then slipped into a stainless-steel sheath for corrosion and abrasion resistance.\u003c\/p\u003e\n\u003cp\u003eThe sensor assembly is large, rugged, in addition to being relatively insensitive to dirt buildup. During operation, the temperature sensor constantly measures the ambient temperature of the gas and maintains a reference resistance on one side of a bridge circuit. The temperature sensor and bridge circuitry forces the second sensor through self-heating to a constant temperature above that of the gas stream. The bridge maintains the overheat temperature and counterbalances the temperature effects through EPI's proprietary temperature compensation techniques.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eMaster-Touch 9000MP Multigen Multiple Point Insertion Flow Meter\u003c\/h2\u003e\n\u003cp\u003eMaster-Touch Multigen multiple point flow meters provide accurate, consistent, and rapid real-time flow measurement with a sensor that is both temperature and pressure corrective. Each flow meter offers calibration using standards traceable to the National Institute of Standards and Technology (\u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" title=\"National Institute of Standards and Technology\" rel=\"noopener\"\u003eNIST\u003c\/a\u003e).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAccuracy: ±(1% of reading + 0.5% of full scale + GTC)\u003c\/li\u003e\n\u003cli\u003eRepeatability: ±0.2% of full scale\u003c\/li\u003e\n\u003cli\u003eSensor response time: 1 second to 63% of final value\u003c\/li\u003e\n\u003cli\u003eGas temperature coefficient (GTC): 0.02% full scale\/˚C\u003c\/li\u003e\n\u003cli\u003eGas pressure effect: negligible over ±50% of factory calibration pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e9000MP Multipoint Flow Meter for Gas Flows\u003c\/h2\u003e\n\u003cp\u003eMultipoint flow meter systems measure gas flows where two or more sensing points are necessary due to large cross-sectional areas, such as large air intake ducts, air exhaust, or flue stacks. Master-Touch 9000MP Multipoint flow meter Systems are widely in use throughout the world, providing our customers with years of steady, reliable service. In combination with EPI's new Air Purge System, Master-Touch 9000MP multiple point flow systems are ideal to an even greater variety of industrial applications.\u003c\/p\u003e\n\u003cp\u003eThe probe design supports applications as diverse as ambient air flows in HVAC ducts, exhaust gas in large diameter stacks, boiler NOx efficiency systems, and municipal waste incinerators. Our customers include global companies for example, environmental\/ HVAC system integrators, pulp and paper mills, power and energy companies, etc. The configuration and installation options support facility retrofits as well as the most modern new construction requirements.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eConfiguration of the EPI Master-Touch Thermal Mass Flowmeter\u003c\/h2\u003e\n\u003cp\u003eThe Master-Touch 9000MP Multipoint System includes one or more 9000MP probes and a 9600MP System Control Panel. The 9000MP flow transmitter probe assembly is the heart of the system. The probe assembly typically has two or more flow sensors mounted in a 1.5\" OD probe shaft. The 9000MP probe’s sensors are removable for field replacement in case of damage. Each sensor matches to its own bridge board and microprocessor to function, in effect, as a complete flow meter.\u003c\/p\u003e\n\u003cp\u003eThe linearized output signals from the multiple sensor assemblies in each probe average to create one overall probe output signal. The probe’s average output signal transmits to a Master-Touch 9600MP System Control Panel (SCP). If the installation contains more than one probe, the output signals from all the probes transmit to the SCP. Then, the SCP averages the values to create one system output. The System Control Panel is housed in a 12\" x 10\" \u003ca href=\"https:\/\/psctexas.com\/ip-rating-for-industrial-instrumentation\/\" target=\"_blank\" title=\"IP Rating for Industrial Instrumentation\" rel=\"noopener\"\u003eNEMA 4X\u003c\/a\u003e fiberglass enclosure.\u003c\/p\u003e\n\u003cp\u003eThe SCP provides the power for the probe assemblies and receives the average outputs over a four-wire cable to each probe. It also includes its own microprocessor assembly for system-level control and flow display. The SCP provides two analog output signals (0–5 VDC and 4–20 mA), as well as RS232 \u0026amp; RS485 \u003ca rel=\"noopener\" href=\"https:\/\/www.modbus.org\" target=\"_blank\" title=\"Modbus Protocol\"\u003eModbus RTU\u003c\/a\u003e communications. The 4–20 mA grand average output can drive up to 1200 ohms.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eOptional Air Purge System\u003c\/h2\u003e\n\u003cp\u003eThe optional Air Purge System (APS) provides a means of cleaning the sensors in applications where particulates cause problems. Operators can externally control the frequency and duration of the purge cycle or by using the Master-Touch software. The system can also be set to maintain the flow rate at its level when the purge is active. This important option preserves the integrity of the flow rate and elapsed total data which might otherwise be compromised by the flow of the purge gas.\u003c\/p\u003e\n\u003cp\u003eThermal mass flow meters use the principle of convective heat transfer to directly measure mass flow. EPI’s proprietary thermal mass flow sensors use two ratiometrically-matched, reference-grade platinum Resistance Temperature Detectors (RTDs).  A 316 Stainless Steel sheath encapsulates the platinum sensing element wire or, if necessary, a Hastelloy C sheath. Our microcontroller smart sensor technology preferentially heats one RTD with the other RTD acting as the temperature reference.\u003c\/p\u003e\n\u003cp\u003eThe process gas flow dissipates heat from the first RTD, causing an increase in the power necessary to maintain a balance between the RTDs. This increase directly relates to the gas molecular rate of flow. Our sensors feature temperature compensation for a wide process gas temperature range and insensitive to pressure changes, so the output signal is a true mass flow rate signal. \u003c\/p\u003e","brand":"Eldridge Products (EPI)","offers":[{"title":"Default Title","offer_id":45878434726019,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/Eldridge-Products-EPI-thermal-mass-multipoint-flowmeter-flue-gas-measurement-process-solutions-texas.png?v=1763386613"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/collections\/EPI-Eldrige-Products-Inc-Thermal-Mass-Flow-Meter-Liquid-Flowmeter-for-Industrial-Automation-Flow-Measurement-Process-Solutions-Corp-PSC-Texas_76166724-941b-4120-989f-59cec54e988a.jpg?v=1771538862","url":"https:\/\/www.psctexas.shop\/collections\/eldridge-products-epi.oembed","provider":"Process Solutions Corp.","version":"1.0","type":"link"}