This procedure is applicable to the initial calibration, subsequent calibration and in-use inspection of standard mercury (mercury-containing alloy) thermometers with a measurement range of (-60~300)°C and a graduation value of 0.05°C or 0.1°C.
JJG 161-2010 history
1970JJG 161-2020 Highway Bridge Expansion Device Test System
2010JJG 161-2010 Verification Regulation of Standard Mercury-in-Glass Thermometers
1994JJG 161-1994 Verification Regulation of Standard Mercury-in-Glass Thermometer(Grade I)