




Dwyer Instruments 1910-5 | Differential Pressure Switch | SPDT | 1.4-5.5in w.c. | 1900 Series
The Series 1900 is renowned for its advanced design and precision construction, allowing these switches to perform many tasks typically handled by larger and more expensive units. Primarily intended for air conditioning service, they are also suitable for various other applications including fluidics, refrigeration, ovens, and dryers. Designed for use with air and non-combustible compatible gases, the Series 1900 switches offer set points ranging from 0.07 to 20 inches w.c. (water column), equivalent to 1.8 to 508 millimeters. Set point adjustment is straightforward thanks to the range screw located inside the conduit enclosure, with its internal positioning helping to prevent tampering. Additionally, these switches are UL, CE, and CSA listed, and FM approved, ensuring their compliance with industry standards and regulations.

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- Specifications
- Features
- Downloads
Actuation | SPDT |
Application | Air Conditioning, Fluidics, Refrigeration |
Operating Fluid | Refrigerants |
Range | 1.4-5.5 in. Amp |
Series | 1900 Series |
Special Features | Internal Set Point adjustment |
Standard | UL, CE and CSA Listed, FM Approved |
Type | Differential Pressure Switch |
Type | Primary: Pressure Switch |
- Numerous industrial and OEM applications benefit from the high-value switch that is compact in size and repeatable.
- Numerous types, ranging from 0.07 in. to 20 in., can satisfy the strict OEM requirements for a low pressure switch.
- Simpler adjustments are made possible by the range screw enclosed inside enclosure, which also deters tampering.
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