Some industries used flowmeters, for process control, metering, safety control or transactional applications.
To guarantee their accuracy over time, these flowmeters must be calibrated regularly in calibration laboratories.
These calibrations are expensive for industrial companies because, in addition to the cost of the service, they sometimes require the interruption of a process.
The calibration offer for small flows (<50 m3/h) is relatively well provided, on the other hand for larger flows, only 2 laboratories in France for example are able to provide this type of service.