This calibration procedure stipulates the calibration conditions, calibration items, calibration methods, calibration result processing and calibration cycle of YG series turns meters. This calibration procedure is applicable to the calibration of YG series turns meters. In principle, it is also applicable to the calibration of other series of turns meters, but the standard coil inner diameter device needs to be changed.
SJ 20241-1993 history
1970SJ 20241-1993 Verification regulation of YG series coil number tester