National Metrological Verification Regulations of the People's Republic of China
Latest
JJG 1049-2009
Scope
This procedure is applicable to the first calibration of weak magnetic field alternating magnetometers (hereinafter referred to as alternating magnetometers) with a magnetic field range of 1pT~1mT and a frequency range of 10Hz~10kHz, such as electromagnetic induction magnetometers and alternating Hall magnetometers. Subsequent verification and in-use inspection.
JJG 1049-2009 Referenced Document
JJF 1013-1989 Terms in Common Use and Their Difinition for the Magnetic Metrology
JJG 1049-2009 history
2009JJG 1049-2009 Verification Regulation of Alternating Tesla-Meter for Weak Magnetic Field