National Metrological Verification Regulations of the People's Republic of China
Latest
JJG 546-2010
Scope
This procedure applies to the initial calibration, subsequent calibration and in-use inspection of the DC comparison bridge (hereinafter referred to as the comparison bridge). This procedure does not apply to the verification of ordinary single and double bridges, automatic bridges, semi-automatic bridges, DC comparator bridges, digital DC bridges and other special-purpose bridges.
JJG 546-2010 history
2010JJG 546-2010 Verification Regulation of DC Comparison Bridges
1988JJG 546-1988 Verification Regulation of DC Comparison Bridge