National Metrological Verification Regulations of the People's Republic of China
Latest
JJG 1023-2007
Scope
This procedure applies to the initial calibration, subsequent calibration and in-use inspection of nuclear density and moisture content measuring instruments (hereinafter referred to as nuclear meters).
JJG 1023-2007 Referenced Document
JJF 1001-1998 General Terms in Metrology and Their Definitions
SL 275-2001 Field test methods for nuclear density-moisture gauges
JJG 1023-2007 history
2007JJG 1023-2007 Testing Instrument for Density and Moisture with Nuclear Radiation Method