Model 146 OEM Diaphragm Type Differential Pressure Indicator/Switch

Brand: Mid-West Instrument

Our most affordable OEM diaphragm type indicator with a Full scale accuracy of ±5% combined with Differential pressure range of 0-5 PSID to 0-30 PSID. 

Model 146 is available with Plug-In DIN and Flying Lead electrical switch options.  Model 146 has a lower price point while still delivering exceptional performance.
Features
  • Competitively Priced
  • Rugged Diaphragm Type design Sensing Element
  • Weather Resistant (Electrical with DIN Connector) & Corrosion Resistant
  • Shatter Resistant Lens
  • Over-Range Protection, High over Low and Low over High
  • 1 Year Warranty

Specifications

Accuracy

  • ± 5 % of Full Scale

Enclosure, Body Material

  • 316L Stainless Steel
  • Aluminum
  • Brass

NPT Connection

  • 1/8” NPT Female

Operating Temperature

  • -40° to 93° C (-40° to 200° F)

Pressure Type

  • Differential

Seat / Seal Material

  • Seal: Buna-N
  • Seal: Ethylene Propylene (EPR)
  • Seal: Neoprene
  • Seal: Silicone
  • Seal: Viton

Set Point - Decreasing

  • bar: 0 to 2
  • Inches WC: 0 to 50
  • kPa: 0 to 200
  • psi: 0 to 30

Set Point - Increasing

  • bar: 0 to 2
  • Inches WC: 0 to 50
  • kPa: 0 to 200
  • psi: 0 to 30

Switch Type

  • SPDT 3 W, 125 Vac/dc, 0.25 A
  • SPST 60 W, 240 Vac/dc, 3 A

System Pressure

  • bar: 70
  • kPa: 7,000
  • psig: 1,000

  • Filter monitoring
  • Strainer Monitoring
  • Water System Applications
  • Hydro Applications
  • Pump Performance Monitoring
  • Refrigerant Filtration Systems
  • Replacement Indicating Switch for Competitor Switches That do not Offer Local Indication

show more