How to Calibrate and Adjust a Differential Pressure Switch
Just like pressure switches, a differential pressure switch can be calibrated to a known set point. You can do a quick calibration of a differential pressure switch the same way you calibrate a pressure switch. However for more accurate calibrate, the procedure is slightly modified.
Before going through the calibration steps please read: How a Differential Pressure Switch Works
Quick Calibration Procedure for a Differential Pressure Switch
Equipment required includes:
(a) A variable pressure source
(b) A digital multimeter or continuity test lamp
(c) A test gauge
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