How to calibrate a Pressure gauge ( Pressure instrument calibration procedure)


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Calibration procedure of Pressure Gauge

Apparatus required - Master Gauge
Pressure Pump
Other materials : Data sheet
Calibration report

1.Filling the liquid reservoir

Open the liquid reservoir and fill with water or oil .

2.Removing the trapped air

Rotate Handle fully clockwise and then anticlockwise and then close the reservoir

3.Applying pressure

Rotate handle clockwise to increase the pressure and anticlockwise to decrease the pressure

Apply different pressure and note down the value
a) 0 %
b)25%
c)50%
d)75%
e)100%

Do zero and span adjustment as per the requirement and fill the Pressure calibration report.

To know about calibration of pressure switch