APS-150 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.

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).