Description
Dwyer 1910-1 Differential pressure switch, range 0.40-1.6" w.c., approx. deadband @ min. set point 0.15, approx. deadband @ max. set point 0.16. Series 1900 Compact Low Differential Pressure Switch, Repetitive Accuracy within 3%
- Dwyer's most popular series combines advanced design and precision construction to make these switches able to perform many of the tasks of 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" w.c. (1.8 to 508 mm). Set point adjustment is easy with range screw located inside conduit enclosure. Internal location helps prevent tampering. UL, CE and CSA listed, and FM approved.
- CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.
- Service: Air and non-combustible, compatible gases.
- Temperature Limits: -30 to 180°F (-34 to 82.2°C).
- Pressure Limits: 45" w.c. (11.2 kPa) continuous, 10 psig (68.95 kPa) surge.
- Switch Type: Single-pole double-throw (SPDT).
- Repeatability: ±3%.
- Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. Derate to 10 A for operation at high cycle rates.
- Electrical Connections: 3 screw type, common, normally open and normally closed.
- Process Connections: 1/8" female NPT.
- Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
- Set Point Adjustment: Screw type inside conduit enclosure.
- Weight: 1 lb 4.5 oz (581 g).
- Agency Approvals: CE, UL, CSA and FM. Optional EXPL Explosion-proof enclosure does not possess any agency approvals.
Product Features
Extended Information
Technical Specs
Prop 65 Warning: Product's may contain one or more substances or chemicals known to the State of California to cause cancer, birth defects, or reproductive harm.
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