DWYER INSTRUMENTS HK LTD
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描述
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描述
- The series ADPS adjustable differential pressure switch is designed for pressure, vacuum, and differential pressures
- The dual scaled adjustment knob in inches water column and Pascals allows changes to the switching pressure to be made without a pressure gauge
- The ADPS is available with settings from 0.08" w.c. (20Pa) up to 20" w.c. (5000Pa)
- The silicone diaphragm and PA 6.6 body make the series ADPS ideal for use with air and other noncombustible gases
- The compact size, adjustment knob and low cost make the ADPS the perfect choice for HVAC applications
- Please see series AT1ADPS for ATEX approved
- Specifications:
- Service: air and non-combustible, compatible gases
- Wetted materials:
- Diaphragm material: silicone
- Housing materials:
- Switch body: PA 6.6 and POM
- Cover: polystyrene
- Temperature limits: process and ambient temperature from -4 to 185°F (-20 to 85°C)
- Pressure limits: maximum operating pressure: 40" w.c. (10kPa) for all pressure ranges
- Switch type: single-pole double-throw (SPDT)
- Electrical rating: maximum 1.5A/250V AC, maximum switching rate: 6 cycles/min., gold contact option: 0.4A/250V AC
- Electrical connections: push-on screw terminals, M20x1.5 with cable strain relief or optional 1/2" NPT connection
- Process connections: 5/16" (7.94mm) outside diameter tubing, 1/4" (6.0mm) inside diameter tubing
- Enclosure rating: NEMA 13, IP54
- Mounting orientation: vertically, with pressure connections pointing downwards
- Mechanical working life: over 106 switching operations
- Weight: 5.6oz (160g)
- Agency approvals: CE, RoHS
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