Mid-West Instrument”s 220/240 explosion-proof, differential-indicating switches feature a lightweight and ruggedly compact design. The devices are CSA, UL and ATEX-certified.

Benefits of the 220 / 240 Indicating Switches:

  • Compact, Lightweight Aluminum (or 316/316L )
  • Weather resistant, 4 ∏” gauge front
  • ATEX Ex d IIB+H2 ExII 2GD IP65 classification
  • CSA Certified & UL Listed: Class I, Division I Groups B, C, & D, classification
  • FNPT cable or conduit entry
  • Over range protection & five-year warranty

Model 220-Piston Style

  • Working pressure to 4000 PSI (275bar)
  • Ranges from 0-5 PSID to 0-100 PSID (0-0.35 bar to 0-7.0 bar)

Model 240-Diaphragm Style

  • Total separation between high & low side
  • 1500 PSI (103 bar) working pressure
  • Ranges from 0-20”H20 to 0-100 PSID (0-50 mbar to 0-7bar)