Page 10 - Pressure Calibration Brochure

Pressure switch testing–documented

Classic methods for pressure switch testing have when the continuity beeper sounds indicating

been superseded with the introduction of new contact closure of the switch. A workable
pressure test tools. Today most pressure switches solution but new tools can make this task easier.

are tested with a pressure gauge mounted to
Modern calibrators can automatically record

a pump to supply and measure pressure, and the pressure applied when a pressure switch
a DMM set to continuity to verify the opening changes from open to closed and from closed to

and closing of the switch. The technician
open. In doing so the switch set point and reset
or electrician making the test is required to point and deadband are much easier

interpret the pressure applied to the switch
to determine.

Suggested test tools

Fluke 754 Fluke 750P Series Fluke 700PTP-1 Fluke 71X Hose Kit
Documenting Pressure Modules
Pneumatic
Accessory

Process See pg 23
Test Pump
Calibrator-HART
See pg 31
See pg 31
See pg 23

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