4. Checking industrial pressure meters
The purpose of calibrating industrial meters (turbine, rotary piston and ultrasonic meters) under pressure, rather than at atmospheric pressure, is to validate the meter's operation under operating conditions. Various standards (12 480....) allow calibration to be carried out using dry air or natural gas.
4.1 Calibrating a gas volume meter
Calibrating a meter means comparing it with a reference meter and determining its deviation, which must comply with the metrological specifications...
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Checking industrial pressure meters
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