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Dwyer Instruments

Adjustable Differential Pressure Alarm, Diff Pres Switch 08120 Wc

product price: $112.99
/ea
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Key Features

  • Wetted Materials Diaphragm: Silicone; Housing: Switch Body: PA 6.6 and POM; Cover: Polystyrene.
  • Features Adjustment knob changes switching pressure easily with a pressure gage reducing components for application; Low cost device makes it an excellent solution in BAS and HVAC applications requiring duct control and monitoring; Relay contact allows simple integration with DDC or building systems
  • Electrical Connections Screw terminals. M20x1.5 with cable strain relief or optional 1/2" NPT connection.
  • Electrical Rating 1.0 A @ 30 VDC/VAC.
  • Power Requirements 16 to 30 VDC, 18 to 30 VAC or 3.6 V LS14250 lithium metal battery, installed functional, user replaceable. Battery acts as back-up if power is lost.
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Product Information

Details

Wetted Materials Diaphragm: Silicone; Housing: Switch Body: PA 6.6 and POM; Cover: Polystyrene.
Features Adjustment knob changes switching pressure easily with a pressure gage reducing components for application; Low cost device makes it an excellent solution in BAS and HVAC applications requiring duct control and monitoring; Relay contact allows simple integration with DDC or building systems
Electrical Connections Screw terminals. M20x1.5 with cable strain relief or optional 1/2" NPT connection.
Electrical Rating 1.0 A @ 30 VDC/VAC.
Power Requirements 16 to 30 VDC, 18 to 30 VAC or 3.6 V LS14250 lithium metal battery, installed functional, user replaceable. Battery acts as back-up if power is lost.
Temperature Limits Process and ambient temperature from -4 to 185°F (-20 to 85°C).
Service Air and noncombustible, compatible gases.
Switch Type SPDT.
Alarm Acknowledge Button press.
Mounting Orientation Vertically, with pressure connections pointing downwards.
Alarm Indication Red LED and audible alarm.
Alarm Level Approximately 90 db at 4" (10 cm).
Process Connections 5/16" (7.94 mm) outside diameter tubing, 1/4" (6.0 mm) inside diameter tubing.
Battery Life Approximately 1.5 years with 3.6 V/1.2 Ah.
Repeatability ±15% FS.
Enclosure Rating IP21.
Agency Approvals CE
Pressure Limits Max. operating pressure: 40" w.c. (10 kPa) for all pressure ranges.

Description

Adjustable differential pressure alarm, range .08-1.20" w.c., M20 connection.

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