Differential Pressure Switch - Dwyer Instruments Inc


Dwyer Instruments, Inc., is announcing the release of its new Series AT21823 ATEX Approved Differential Pressure Switch. Essential for hazardous industrial environments, the Flame-Proof ATEX approved Series AT21823 combines small size with 2% repeatability.  Set point adjustment inside the switch allows for set point settings across nine ranges from the low of .07 in w.c. to a maximum 85 in w.c. differential pressure.  Series AT21823 flame-proof ATEX enclosures are also available in aluminum.


  • for hazardous industrial environments
  • 2% repeatability.
  • set point adjustment
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