Achieving Accurate Gas Flowmeter Calibration

The calibration of gas flowmeters and/or flow controllers is one of those important, inescapable tasks that can be some­thing of a nuisance to the engineer responsible for getting the job done. Sending flowmeters back to the manufacturer for recalibration can be expensive and cause production de­lays. For this reason, most big users of flowmeters opt for in-house calibration. This approach is often best — that is, as long as the user makes the required investment in the equipment needed to do the job the right way. Make-do cali­bration setups can waste a lot of time, only to produce inac­curate results. Such practices often lead to a degradation of process quality, excessive downtime, and increased labor costs coupled with reduced productivity.

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