Mid-West Instrument
Sterling Heights, MI 48314
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Differential Pressure/Indicator Switch monitors low flow.
Model 522 differential pressure/indicator switch is diaphragm-type unit with high-to-low-side isolation, enabling low flow monitoring of heat exchangers in geothermal applications. Unit has 240 Vac/Vdc voltage ratings with maximum status pressure of 1,000 psig, differential over-range pressure of 200 psid, and differential pressure ranges of 0-5 to 0-50 psid with Ã-
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CSA-Certified DP Switch withstands hazardous environments.
Available in aluminum or 316 stainless steel, model 120 gauge and switch contains components with various Elastomers to suit any media (liquid or gas). It is CSA-certified for service in areas rated Class I, Division II, Group A/B/C/D as well as Class II, Division II Groups F/G. Suited for applications with one or two switches in SPST and SPDT configurations, product has 6,000 PSIG SWP and is...
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DP Transmitters are CSA-Listed for Div 2 hazardous locations.
Models 140-142 provide loop-powered, 8-28 Vdc, 2-wire, 4-20 mA transmitter for various applications. Transmitter and its terminal strip are housed in aluminum housing with Ã-½ NPT wire access. Accuracy is Ã-
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Differential Pressure Transmitter suits hazardous locations.
Consisting of loop-powered 8-28 Vdc, 2-wire 4-20 mA transmitter, Model 121 is CSA Listed for Div 2 Hazardous Location Service. It features Ã-½ in. NPT interface with industrial terminal strip, removable cover, and weather-resistant gauge front. Accuracy is +2% from 20-100% of FS, and operating temperature range is -20 to 150Ã-
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Two-Wire Transmitter features NPT interface.
Model 121 features industrial terminal strip and removable cover for wiring, 8-28 Vdc loop power, weather resistant gauge front, and push button zero reset feature. Accurate at Ã-
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Tank Level Gauges measure cryogenic/liquefied gas.
Suited for stationary and mobile applications, Models 115/116 feature dry bellows design with internal bi-directional relief valves with no liquid fill required to protect unit from over-range. Gauges offer differential pressure ranges of 0-10 in. to 0-415 in. H2O. They work for vertical or horizontal tanks and are available with custom dial faces.
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Differential Pressure Gage has 4-20 mA transmitter option.
Piston-operated Model 220 provides loop-powered, 828 Vdc, 2-wire transmitter option using CSA-, UL-, and ATEX-rated sensor. Transmitter, with industrial-type terminal strip, offer Ã-
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Pressure Gauges offer optional indicating transmitter.
Utilizing convoluted elastomer diaphragm to separate high and low pressures, Models 140-142 are available with loop-powered, 8-28 Vdc, 2-wire, 4-20 mA transmitter. Differential pressure ranges from 0-20 in. H2O to 0-100 psid with accuracy of Ã-
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Pressure Switches feature explosionproof design.
Made of lightweight aluminum or 316/316L stainless steel, Series 220/240 Differential Indicating Switches feature weather-resistant, 4Ã-½ in. gauge front and Ã-½ in. FNPT cable or conduit entry. Piston-style Model 220 offers working pressure to 4,000 psi and ranges from 0-5 to 0-100 psid, while diaphragm style Model 240 features working pressure of 1,500 psi and ranges from 0-20 in. H2O...
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Geothermal DP Indicator Switch performs low flow monitoring.
Featuring complete high to low side isolation, diaphragm type Model 522 is offered with body materials of aluminum or 316/316L stainless steel and 316 SS, ceramic, and acetal moving parts. It comes with one or 2 field-adjustable, 40-100% FS, hermetically sealed reed switches in SPST (3 A) configuration. Max static pressure is 1,000 psig, max differential over-range pressure is 200 psid, and DP...
Read More »Differential Pressure/Indicator Switch monitors low flow.
Model 522 differential pressure/indicator switch is diaphragm-type unit with high-to-low-side isolation, enabling low flow monitoring of heat exchangers in geothermal applications. Unit has 240 Vac/Vdc voltage ratings with maximum status pressure of 1,000 psig, differential over-range pressure of 200 psid, and differential pressure ranges of 0-5 to 0-50 psid with Ã-
Read More »
CSA-Certified DP Switch withstands hazardous environments.
Available in aluminum or 316 stainless steel, model 120 gauge and switch contains components with various Elastomers to suit any media (liquid or gas). It is CSA-certified for service in areas rated Class I, Division II, Group A/B/C/D as well as Class II, Division II Groups F/G. Suited for applications with one or two switches in SPST and SPDT configurations, product has 6,000 PSIG SWP and is...
Read More »
DP Transmitters are CSA-Listed for Div 2 hazardous locations.
Models 140-142 provide loop-powered, 8-28 Vdc, 2-wire, 4-20 mA transmitter for various applications. Transmitter and its terminal strip are housed in aluminum housing with Ã-½ NPT wire access. Accuracy is Ã-
Read More »
Differential Pressure Transmitter suits hazardous locations.
Consisting of loop-powered 8-28 Vdc, 2-wire 4-20 mA transmitter, Model 121 is CSA Listed for Div 2 Hazardous Location Service. It features Ã-½ in. NPT interface with industrial terminal strip, removable cover, and weather-resistant gauge front. Accuracy is +2% from 20-100% of FS, and operating temperature range is -20 to 150Ã-
Read More »
Two-Wire Transmitter features NPT interface.
Model 121 features industrial terminal strip and removable cover for wiring, 8-28 Vdc loop power, weather resistant gauge front, and push button zero reset feature. Accurate at Ã-
Read More »
Tank Level Gauges measure cryogenic/liquefied gas.
Suited for stationary and mobile applications, Models 115/116 feature dry bellows design with internal bi-directional relief valves with no liquid fill required to protect unit from over-range. Gauges offer differential pressure ranges of 0-10 in. to 0-415 in. H2O. They work for vertical or horizontal tanks and are available with custom dial faces.
Read More »
Differential Pressure Gage has 4-20 mA transmitter option.
Piston-operated Model 220 provides loop-powered, 828 Vdc, 2-wire transmitter option using CSA-, UL-, and ATEX-rated sensor. Transmitter, with industrial-type terminal strip, offer Ã-
Read More »
Pressure Gauges offer optional indicating transmitter.
Utilizing convoluted elastomer diaphragm to separate high and low pressures, Models 140-142 are available with loop-powered, 8-28 Vdc, 2-wire, 4-20 mA transmitter. Differential pressure ranges from 0-20 in. H2O to 0-100 psid with accuracy of Ã-
Read More »
Pressure Switches feature explosionproof design.
Made of lightweight aluminum or 316/316L stainless steel, Series 220/240 Differential Indicating Switches feature weather-resistant, 4Ã-½ in. gauge front and Ã-½ in. FNPT cable or conduit entry. Piston-style Model 220 offers working pressure to 4,000 psi and ranges from 0-5 to 0-100 psid, while diaphragm style Model 240 features working pressure of 1,500 psi and ranges from 0-20 in. H2O...
Read More »
Geothermal DP Indicator Switch performs low flow monitoring.
Featuring complete high to low side isolation, diaphragm type Model 522 is offered with body materials of aluminum or 316/316L stainless steel and 316 SS, ceramic, and acetal moving parts. It comes with one or 2 field-adjustable, 40-100% FS, hermetically sealed reed switches in SPST (3 A) configuration. Max static pressure is 1,000 psig, max differential over-range pressure is 200 psid, and DP...
Read More »