How to calibrate an absolute pressure transmitter with a measurement range of 0–200 kPa?

2015-10-13View Original

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How to calibrate an absolute pressure transmitter with a measurement range of 0–200 kPa?

Reply #22015-10-13

The process is the same as that of a regular pressure transmitter. Assuming the local atmospheric pressure is 100 kPa, the range of (0–100) kPa is calibrated using a vacuum pump along with a corresponding standard gauge, while the range of (100–200) kPa is calibrated using a regular air pressure pump together with a corresponding standard gauge.

Reply #32015-10-13

Calibration is carried out using a vacuum pump in conjunction with a standard gauge pressure meter and a standard ammeter, in accordance with the requirements of JJG822-2004 \"Calibration Regulations for Pressure Transmitters\".

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