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Model 142 Diaphragm Type Differential Pressure Switch & Transmitter
Brand: Mid-West Instrument
The Model 142 Transmitter offers highly visible local display along with the independent 4-20 mA output.
This allows for precise monitoring at the unit or at the control panel.
This unit works well in tank level applications and in fluids with high solids content.
Features- DP Ranges from 0 to 20 WC to 0 to 25 psid.
- Elastomer diaphragm sensing element, no cross port leakage.
- Up to 3,000 psig working pressure (200 bar).
- Over-range protection.
- Weather Resistant & Corrosion resistant gauge front.
- Shatter resistant acrylic lens.
- 1/4 or 1/2 Female NPT process connection options.
- 2 1/2, 3 1/2 & 4 1/2 dial sizes available.
Specifications
Brand
Accuracy
- ± 2 % of Full Scale
Approvals & Certifications
- CE
- CSA (C,US)
- UL (C,US)
Enclosure, Body Material
- 316L Stainless Steel
- Aluminum
- Brass
Environmental Protection
- IP66
- NEMA 4X
NACE & NIST
- NACE MR-0175
Operating Temperature
- Gauge with or without Switch: -40° to 93° C (-40° to 200° F)
- Transmitter: -20° to 150° F (-20° to 65° C)
Pressure Type
- Differential
Set Point - Decreasing
- bar: 0 to 1.724
- Inches WC: 0 to 20
- kPa: 0 to 172.4
- psi: 0 to 25
Set Point - Increasing
- bar: 0 to 1.724
- Inches WC: 0 to 20
- kPa: 0 to 172.4
- psi: 0 to 25
Switch Type
- 1 or 2 - SPDT 3 W, 125 Vac/dc, 0.25 A
- 1 or 2 - SPST (Normally Open) 25 W, 240 Vac/dc, 0.5 A
System Pressure
- bar: 200
- kPa: 20,000
- psig: 3,000
- Tank Level Monitoring Horizontal or Vertical
- Flow Indication/Balancing
- Filter Monitoring for Gases
- Water Treatment Applications
- Vacuum Application