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Thermal
Mass Flowmeters and Controllers, like every other flow
instrument must be in good working condition and have a valid calibration
if they are to produce reliable and accurate measurements.
Good working condition is a matter of proper Service and Maintenance. However, in order for the calibration of any flow meter to be valid, a number of important metrological criteria must be met. A detailed treatment of this subject can be found in: Flowmeter Use, Calibration and Service An actual calibration data sheet showing performance of a Thermal Mass Flowmeter before and after adjustment and calibration can be reviewed by clicking on the link below: Download Gas Calibration Document (.pdf) It
can clearly be seen that this flowmeter, if left unattended could
be producing measurements with errors well into double digits. At TrigasFI GmbH we offer Gas Flow Calibration Service for Thermal mass flow meters & controllers of practically all makes & types including:
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