High quality Adjustable Pressure Switch Dwyer APS/AVS Series

 Adjustable Pressure Switch Dwyer APS/AVS Series               

• Miniature Series APS/AVS Adjustable Switches offer reliable switching for pressure/vacuum alarm, shutdown or control.
• The units are readily adjustable throughout their range using the locking adjusting ring and indicating pointer.
• The body is constructed of stainless steel for durability in harsh environments. Switches include 12" (30 cm) wire leads sealed with epoxy for additional protection.

Models & Ordering:

Model Number	Description
APS-150	Adjustable pressure switch, set point range 0.8-28.5 psi (.06-2.0 bar) increasing, 1.6-30.0 psi (.11-2.1 bar) decreasing, ±0.6 psi (.04 bar) repeatability, 0.8-1.3 psi (.06-.09 bar) deadband.
APS-250	Adjustable pressure switch, set point range 2.0-48.0 psi (.14-3.3 bar) increasing, 3.0-50.0 psi (.21-3.5 bar) decreasing, ±1.0 psi (0.7 bar) repeatability, 1-1.7 psi (.07-.12 bar) deadband.
APS-350	Adjustable pressure switch, set point range 3.0-96.5 psi (.21-6.7 bar) increasing, 4.5-100 psi (.31-6.9 bar) decreasing, ±2.0 psi (.14 bar) repeatability, 1.6-4 psi (.11-.28 bar) deadband.
APS-450	Adjustable pressure switch, set point range 7.5-242 psi (.52-16.7 bar) increasing, 9.7-250 psi (.67-17.2 bar) decreasing, ±5.0 psi (.35 bar) repeatability, 2.5-9 psi (.17-.62 bar) deadband.
APS-550	Adjustable pressure switch, set point range 15.0-485 psi (1.0-33.4 bar) increasing, 20.0-500 psi (1.4-34.5 bar) decreasing, ±10.0 psi (.69 bar) repeatability, 5-22 psi (.35-1.5 bar) deadband.

 

Specifications: 

• Service:Compatible liquids or gases.

• Wetted Materials:Capsule: 17-7 PH SS; Fitting: 303 stainless steel.

• Temperature Limits:-65 to 225°F (-54 to 107°C), a set point change of up to 2% when used below -10°F (-23°C) or above 125°F (52°C).

• Pressure/Vacuum Limits:150% of range.

• Switch Type:SPDT snap action.

• Electrical Ratings:5 A @ 250 VAC, 3 A @ 28 VDC.

• Electrical Connections:3-wire, 20 AWG insulated with PVC, 12" (30 cm) length.

• Process Connection:1/8" male NPT.

• Setpoint:Field adjustable.

• Cycling:Not to exceed 20 CPM.

• Sensor Element:Capsule.

• Weight:3 oz (85 g).

• Agency Approvals:UL.