What do you do when you know the difference between the flow meter value and the true value?
If it is intelligent instrument, there will be coefficient settings, please refer to the manual
The accuracy of the true value of the precision and accuracy, once found flowmeter less accurate suggested after you can put the flowmeter sent to the relevant testing unit for calibration, the best to the authoritative units such as municipal or Provincial Institute of Metrology inspection check.
Yes, the calibrated flow meter needs recalibration after adjustment.
