Mid-West Instrument
Tel: (586) 254-6500 · Fax: (586) 254-6509
6500 Dobry Dr., Sterling Heights, Michigan 48314
1-800-648-5778 ../news.asp ../reps.asp ../literature.asp ../about.asp ../warranty.asp
Hazardous Locations Differential Pressure Switch - Model 240 Hazardous Locations Differential Pressure Switch - Model 240
Model 240

The Model 240 provides a simple low cost loop powered 8-28 Vdc two wire 4-20mA Transmitter with highly visible local display allowing for monitoring at the unit and in the control room. The transmitter utilizes the same CSA, UL and ATEX rated sensor and explosion proof housing as on the Models 220 and 240 explosion proof switches. Classification for Division 2 locations provides another alternative to the installer that does not like additional junction boxes which are required for flying lead interfaces.

Common Applications:
Measuring or Controlling the pressure drop across:

  • Filters
  • Strainers
  • Separators
  • Valves
  • Pumps
Transmitter Specifications:
  • 4-20mA Loop Powered Micro Processor based Transmitter
  • 4 Position Terminal Strip
  • 8-28 VDC Loop Powered 2-wire interface
  • 1000 Ohm max loop resistance at 28 Vdc.
  • ±2% Accuracy from 20% to 100% of scale, ascending
  • Operating Range -20ºF to 150ºF (-20ºC to 65ºC)
  • Indicator operation is isolated from Loop Power
  • Assembly is housed in aluminum enclosure with 1/2" NPT access
  • DIV II = NEMA 4X (IP65)
Model 240
Model 240

The Mid-West Advantage:

  • 1 Year Transmitter Warranty
  • 5 Year Gauge Warranty
  • 30 + Years Hazardous Location product manufacturer.
  • OEM capability
  • Fast on-time Deliveries
  • Friendly Customer Support
  • 3rd Party Certified Quality System