The Series ADPS Adjustable Dwyer Diff. Pressure Switch (ADPS) 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 gage. The ADPS is available with settings from 0.08 w.c. (20 Pa) up to 16 w.c. (4000 Pa). 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 H.V.A.C. applications.
Monitoring air filters and ventilators
Monitoring industrial cooling-air circuits
Overheating protection for fan heaters
Monitoring flows in ventilation ducts
Controlling air and fire-protection dampers
Frost protection for heat exchanges
Mechanical Working Life
Over 106 switching operations.
Vertically, with pressure connections pointing downwards.
Push-on screw terminals. M20x1.5 with cable strain relief or optional 1/2 NPT connection.
Wetted MaterialsDiaphragm material
silicone; Housing material POM switch body PA 6.6; Cover Polystyrene.
The Series 104 Differential Pressure Switch is a low-cost easy to use differential pressure switch for very low pressure applications. The differential pressure switch can monitor positive, negative, or differential pressure and with an easy to adjust set point knob makes field set up and adjustment hassle free. The differential pressure switch includes a SPDT relay rated for2A @ 250V and can be set as low as 0.08" w.c. (20 Pa). Features: