Refer to the calibration, it depends on the brand and Batch Number.
The new brand of IV set, you need calibrate definitely.
1)If it is the same batch, it is no need to be calibrated
2)If is the same brand but different batch, it should be better to calibrate again.
3)If it is different brand,it must be calibrated.a secondary calibration
The IV Set will be recorded by the Pump machines as" A" "B""C"brand....etc.. as memory inside it.