Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications. For air and non-combustible compatible gases, this switch has set points from 0.07 to 20" w.c. (1.8 to 508 mm).
Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications. For air and non-combustible compatible gases, this switch has set points from 0.07 to 20" w.c. (1.8 to 508 mm).
The Dwyer 1910-00 Differential Pressure Switch has a range of 0.07" to 0.15" w.c.
Our 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.
Operating Range, in w.c. | 0.07 to 0.15 |
Approx. Dead Band Range | 0.04 |
Service | Air and non-combustible, compatible gases |
Housing | Die cast aluminum case and bezel, with acrylic cover. Exterior finish is coated gray to withstand 168 hour salt spray corrosion test. |
Accuracy | ±2% of FS (±3% on 0, -100 Pa, -125 Pa, 10MM and ±4% on - 00, -60 Pa, -6MM ranges), throughout range at 70°F (21.1°C) |
Pressure Limits | -20 in Hg to 15 psig† (-0.677 to 1.034 bar) MP Option: 35 psig (2.41 bar) HP Option: 80 psig (5.52 bar) |
Overpressure | Relief plug opens at approximately 25 psig (1.72 bar), standard gauges only |
Temperature Limits | 20 to 140°F (-6.67 to 60°C) -20°F (-28°C) with low temperature option |
Size | 4" (101.6 mm) Diameter Dial Face |
Mounting Orientation | Diaphragm in vertical position |
Process Connections | 1/8" Female NPT duplicate high and low pressure taps - one pair side and one pair back |
Weight | 1 lb 2 oz (510 g) MP & HP 2 lb 2 oz (963 g) |
Agency Approval | RoHS |
Click on a category to view a selection of compatible accessories with the Dwyer 1910-00 Differential Pressure Switch (0.07-0.15"w.c.).
Operating Range, in w.c. | 0.07 to 0.15 |
Approx. Dead Band Range | 0.04 |
Service | Air and non-combustible, compatible gases |
Housing | Die cast aluminum case and bezel, with acrylic cover. Exterior finish is coated gray to withstand 168 hour salt spray corrosion test. |
Accuracy | ±2% of FS (±3% on 0, -100 Pa, -125 Pa, 10MM and ±4% on - 00, -60 Pa, -6MM ranges), throughout range at 70°F (21.1°C) |
Pressure Limits | -20 in Hg to 15 psig† (-0.677 to 1.034 bar) MP Option: 35 psig (2.41 bar) HP Option: 80 psig (5.52 bar) |
Overpressure | Relief plug opens at approximately 25 psig (1.72 bar), standard gauges only |
Temperature Limits | 20 to 140°F (-6.67 to 60°C) -20°F (-28°C) with low temperature option |
Size | 4" (101.6 mm) Diameter Dial Face |
Mounting Orientation | Diaphragm in vertical position |
Process Connections | 1/8" Female NPT duplicate high and low pressure taps - one pair side and one pair back |
Weight | 1 lb 2 oz (510 g) MP & HP 2 lb 2 oz (963 g) |
Agency Approval | RoHS |
Click on a category to view a selection of compatible accessories with the Dwyer 1910-00 Differential Pressure Switch (0.07-0.15"w.c.).