Dwyer 1638-0 large diaphragm pressure switch, range 0.05-0.25" w.c., approx deadband @ 0.04 min. set point, 0.05 max. set point.
On the Series 1630 our highest precision conventional large diaphragm pressure switch provides maximum dependability. In addition, it incorporates a visible set point indicator for maximum convenience. UL and CSA listed, FM approved for general service. Electrical capability of 15 amps handles most small electrical loads. For use only with air or compatible gases.
Visual Set Point Adjustment in 5 Standard Ranges, 0.05" to 12" w.c. Repetitive Accuracy within ±1%. Our highest precision conventional large diaphragm pressure switch provides maximum dependability.
- Visible set point indicator simplifies operation and trouble shooting
- Large diaphragm provides low range accuracy providing precise control
- Current loads of up to 15 amps supports most small electrical loads supporting a broader range of HVAC and Process applications without the need for additional relays and components
- Incorporates a visible set point indicator for maximum convenience
- UL and CSA listed, FM approved for general service, these switches are suitable for most applications in air conditioning and industrial service
- Applications: HVAC
- Compliance: CSA, FM, UL
- Deadband: 0.04 to 0.05 inH2O
- Electrical Connection: Screw Terminal
- Materials, Wetted: Consult Factory
- Measurement Pressure Type: Gauge
- Measurement Pressure, Max: 0.25 inH²O
- Measurement Pressure, Min: 0.05 inH²O
- Media Compatibility: Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases
- Mounting Orientation: Vertical Diaphragm
- Operating Temperature, Max: 110 °F
- Operating Temperature, Min: -30 °F
- Process Connection Size: 1/8 in
- Process Connection Type: NPT Female
- Proof Pressure: Up to 10 psi
- Repeatability: ± 1%
- Set Point Adjustment: Internal Screw
- Switch Note: 15 A @ 120-480 VAC, 60 Hz. Resistive, 1/8 HP @ 125 VAC,1/4 HP @ 250 VAC, 60 Hz
- Switch Rating: 15 A @ 120-480 Vac, 1/8 HP @ 125 Vac, 1/4 HP @ 250 Vac
- Switch Type: SPDT NO/NC, Selectable
- Weight: 1.5 kg
Applications
- Damper positioning
- Duct air control
- Air conditioning
- Industrial service
