Mid-West Instrument

Electrical Equipment & Systems

Differential Pressure/Indicator Switch monitors low flow.

Mid-West Instrument's new Model 522 differential pressure / indicator switch is a diaphragm type unit that features complete high to low side isolation...making it ideal for low flow monitoring of heat exchangers in geothermal applications. The 522 features a max static pressure of 1000 P.S.I.G. (69 bar), a max differential over-range pressure of 200 P.S.I.D.(13.89 bar) and differential pressure...

Read More »
Electrical Equipment & Systems

Differential Pressure/Indicator Switch monitors low flow.

Mid-West Instrument's new Model 522 differential pressure / indicator switch is a diaphragm type unit that features complete high to low side isolation...making it ideal for low flow monitoring of heat exchangers in geothermal applications. The 522 features a max static pressure of 1000 P.S.I.G. (69 bar), a max differential over-range pressure of 200 P.S.I.D.(13.89 bar) and differential pressure...

Read More »
CSA-Certified DP Switch withstands hazardous environments.
Electrical Equipment & Systems

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 »
CSA-Certified DP Switch withstands hazardous environments.
Electrical Equipment & Systems

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 »
Indicating DP Switch has safe working pressure of 6,000 psig.
Electrical Equipment & Systems

Indicating DP Switch has safe working pressure of 6,000 psig.

The new, model 121 Indicating Differential Pressure Switch is a heavy -duty version of the very successful Model 120 and features the rugged, field-proven piston/housing design of the 120. In addition, model 121 has a heavy-duty industrial type terminal strip for either one or two switches. Wiring is easy with ½ NPT conduit interface and a removable cover. A variety of switching configurations...

Read More »
Indicating DP Switch has safe working pressure of 6,000 psig.
Electrical Equipment & Systems

Indicating DP Switch has safe working pressure of 6,000 psig.

The new, model 121 Indicating Differential Pressure Switch is a heavy -duty version of the very successful Model 120 and features the rugged, field-proven piston/housing design of the 120. In addition, model 121 has a heavy-duty industrial type terminal strip for either one or two switches. Wiring is easy with -½ NPT conduit interface and a removable cover. A variety of switching configurations...

Read More »
DP Indicator is offered with transmitter option.
Test & Measurement

DP Indicator is offered with transmitter option.

Model 240 offers loop powered 8-28 Vdc 2-wire transmitter using CSA, UL, and ATEX rated sensor. Diaphragm operated unit provides total separation of high and low pressure by means of convoluted elastomer diaphragm. Pressure containing elements are available in aluminum or 316 SS, and safe working pressure is 1,500 psig. Differential pressure ranges from 0-20 in. H20 to 0-100 psid are available....

Read More »
DP Indicator is offered with transmitter option.
Test & Measurement

DP Indicator is offered with transmitter option.

Model 240 offers loop powered 8-28 Vdc 2-wire transmitter using CSA, UL, and ATEX rated sensor. Diaphragm operated unit provides total separation of high and low pressure by means of convoluted elastomer diaphragm. Pressure containing elements are available in aluminum or 316 SS, and safe working pressure is 1,500 psig. Differential pressure ranges from 0-20 in. H20 to 0-100 psid are available....

Read More »
DP Indicator is offered with 4-20 mA tranmitter option.
Electrical Equipment & Systems

DP Indicator is offered with 4-20 mA tranmitter option.

The new Model 220 now provides a simple, low cost Loop Powered 8-28 VDC two wire 4-20mA Transmitter option using the same CSA, UL & ATEX rated sensor and explosion-proof housing used on our popular Model 220 with switches. The transmitter with an industrial type terminal strip is housed in heavy-duty, cast aluminum housing. Wiring access is through a ½ NPT port. Accuracy is ±2% from 20% to 100%...

Read More »
DP Indicator is offered with 4-20 mA tranmitter option.
Electrical Equipment & Systems

DP Indicator is offered with 4-20 mA tranmitter option.

The new Model 220 now provides a simple, low cost Loop Powered 8-28 VDC two wire 4-20mA Transmitter option using the same CSA, UL & ATEX rated sensor and explosion-proof housing used on our popular Model 220 with switches. The transmitter with an industrial type terminal strip is housed in heavy-duty, cast aluminum housing. Wiring access is through a -½ NPT port. Accuracy is ±2% from 20% to...

Read More »

All Topics