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Dwyer-Diaphragm Pressure Switches

Dwyer-Compact Low Differential Pressure Switches-1900i

( Dwyer )

Feature:

  • Our most popular series combines advanced design and precision construction to make these switches able to perform many of the tasksof larger, costlier units,Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications.
  • For air and non combustible compatible gases, Series 1900 switches have set points from 0.07 to 20˝ (1.8 to 508 mm) w.c. Set point adjustment is easy with range screw located inside conduit enclosure.
  • Internal location helps prevent tampering. UL, CE, CSA listed, and FM approved.
Specifications:
ServiceAir and non-combustible,compatible gases.
Wetted MaterialsChat with the agent.
Temperature Limits-30 to 180°F (-34 to 82.2°C).
Pressure Limits45˝ w.c. (11.2 kPa) continuous, 10 psig (68.95 kPa) surge.
Switch TypeSingle-pole doublethrow (SPDT).
Repeatability±3%.
Electrical Connections3 screw type, common, normally open and normally closed.
Process ConnectionsFemale NPT.
Mounting OrientationDiaphragm in vertical position.
Set Point Adjustmentcrew type inside conduit enclosure.
Weight1lb, 4.5 oz (581 g).





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