JJF 1587-2016 Digital Multimeter Calibration Specification has been changed from JJG 315-1983 Verification Regulation of DC Digital Voltmeter.
JJF 1587-2016 Digital Multimeter Calibration Specification has been changed from JJG 598-1989 Verification Regulation of DC Digital Amperemeter.
JJF 1587-2016 Digital Multimeter Calibration Specification has been changed from JJG 724-1991 D.C. Digital Ohmmeter.
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