Dwyer Instruments, Inc., the preferred source for your complete range of practical and affordable instrumentation, is announcing the release of its NEW SERIES ADPS ADJUSTABLE DIFFERENTIAL PRESSURE SWITCH.
    The Series ADPS Adjustable Differential Pressure Switch is designed for pressure, vacuum, and differential pressures. The scaled adjustment knob 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 perfect for use with air and other noncombustible gases. The Series ADPS can be used in monitoring air filters, ventilators, and industrial cooling-air circuits along with controlling air and fire-protection flaps and many other applications.


• Service: Air and non-combustible, compatible gases. • Wetted Materials: Diaphragm Material: Silicone. Housing Material: Switch Body: PA 6.6 and POM; Cover: Polystyrene. • Temperature Limits: Process ambient temperature from -4 to 185°F (-20 to 85°C). • Pressure Limits: Max. Operating Pressure: 40" w.c. (10 kPa) for all pressure ranges. • Switch Type: Single-pole double-throw (SPDT). • Electrical Rating: Standard: Max., 1.5A/250 VAC, max. switching rate: 6 cycles/min.; Gold Contact Option: 0.4 A/ 250 VAC. • Electrical Connections: Push-on screw terminals. M20x1.5 with cable strain relief or optional 1/2" NPT connection. • Process Connections: 5/16" (7.94 mm) outside diameter tubing, 1/4" (6.0 mm) inside diameter tubing. • Mounting Orientation: Vertically, with pressure connections pointing downwards. • Mechanical Working Life: Over 106 switching operations. • Weight: 5.6 oz (160 g). • Enclosure Rating: NEMA 13, IP54. • Agency Approvals: CE.
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