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Model 240 Diaphragm Type Differential Pressure Switch/Transmitter
Brand: Mid-West Instrument
The Model 240 carries global certifications from CSA, UL, and ATEX.
The diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards.
In addition, it is certified to the ATEX directive Ex d, IIB + H2 with an IP 65 rating.
Mid-West Instrument’s new Hazardous Locations “Delta P” switches are provided with a field wireable terminal strip.
The terminal strip eliminates the need to add a costly explosion-proof junction box near the switch.
Multiple outputs are available ranging from low power reed switches to higher load switching relay outputs.
Features- Total separation of high and low pressures sides
- Simple, rugged, compact design
- Working pressure 1,500 psig (103 bar)
- Over-range protection to maximum pressure
- Captive cover screws
- The entire assembly is certified for hazardous locations
Specifications
Brand
Accuracy
- 2%
Approvals & Certifications
- ATEX
- CE
- CSA Class I, Div. 1, Groups B, C, D, Class II, Div. 1, Groups E, F, G, Class I, Div. 2, Groups A, B, C, D, Class II, Div. 2, Groups F, G
- IECEx
- UL Class I, Div. 1, Groups B, C, D, Class II, Div. 1, Groups E, F, G, Class I, Div. 2, Groups A, B, C, D, Class II, Div. 2, Groups F, G
Enclosure, Body Material
- 316 Stainless Steel
- 316L Stainless Steel
- Aluminum
Environmental Protection
- IP66
- NEMA 4X
- NEMA 7
NPT Connection
- 1/2” NPT Female
- 1/4” NPT Female
Operating Temperature
- -28° to 65° C (-20° to 150° F)
Pressure Type
- Differential
Seat / Seal Material
- Seal: Buna-N
- Seal: Ethylene Propylene (EPR)
- Seal: Viton
Set Point - Decreasing
- bar: 0 to 7
- Inches WC: 0 to 20
- kPa: 0 to 700
- psi: 0 to 100
Set Point - Increasing
- bar: 0 to 7
- Inches WC: 0 to 20
- kPa: 0 to 700
- psi: 0 to 100
Switch Type
- SPDT 3 W, 125 Vac/dc, 0.25 A, 60 W, 240 Vac/dc, 1 A
- SPST 60 W, 240 Vac/dc, 3 A
System Pressure
- bar: 103
- kPa: 10,300
- psig: 1,500