OMEGA PSW-141 Low Differential Pressure Switch User’s Guide

Below you will find brief information for Low Differential Pressure Switch PSW-141. This switch is designed for clean air or inert gas applications and features field-adjustable setpoint and deadband. It uses 3/16" barbed fittings for 1/4" OD tubing and has a temperature range of 0°C to 45°C (32°F to 115°F). The relay output is rated for 5A @ 30 VDC/120 VAC.

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OMEGA PSW-141 Low Differential Pressure Switch User's Guide | Manualzz

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Key features

  • Field-adjustable setpoint and deadband
  • Suitable for clean air or inert gas
  • SPDT relay output (5A @ 30VDC/120VAC)
  • Compact and easy to mount
  • Durable construction for long life

Frequently asked questions

0°C to 45°C (32°F to 115°F)

1/4" OD polyethylene, 1/8" ID Tygon or polyurethane.

5A @ 30 VDC/120 VAC Resistive, 4A @ 240 VAC Resistive

Use a slotted 3/32" screwdriver to adjust the potentiometers located on the top left of the instrument after removing the black hole plugs.
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