Differential Pressure Gage


Dwyer Instruments, Inc., the preferred source for your complete range of practical and affordable instrumentation, is announcing the release of its NEW SERIES AT22000 ATEX APPROVED MAGNEHELIC® DIFFERENTIAL PRESSURE GAGE.

The popular Magnehelic® differential pressure gage is now available in a Flame-Proof ATEX enclosure with the new ATEX approved AT22000 Series.  This gage can indicate positive, negative or differential pressures and is accurate within 2%.  The Magnehelic® gage is the industry standard to measure fan and blower pressures, filter resistance, air velocity, furnace draft, pressure drop across orifice plates, liquid levels with bubbler systems and pressures in fluid amplifier or fluidic systems.  With the flame-proof enclosure, the AT22000 is the perfect choice for a myriad of differential pressure applications in hazardous areas.  Flame-proof ATEX enclosures are available in aluminum and can include a glass window for viewing process pressure status on gage face. 


  • Flame-Proof ATEX enclosure
  • can indicate positive, negative or differential pressures
  • accurate within 2%
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