JJG 124-2005
Amperemeters, Voltmeters, Wattmeters and Ohmmeters (English Version)
- Standard No.
- JJG 124-2005
- Language
- Chinese, Available in English version
- Release Date
- 2005
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
- Replace By
- JJG 124-2015
- Latest
- JJG 124-2015
- Scope
- This procedure is applicable to the first use of direct-action analog indicating DC and AC (frequency 40Hz ~ 10kHz) ammeters, voltmeters, power meters and resistance meters (resistance 1Ω ~ 1MΩ) and multimeters (hereinafter referred to as meters) for measuring current, voltage and resistance. Verification, subsequent verification and in-use inspection. This procedure does not apply to the verification of automatic recording instruments, digital instruments, electronic instruments, average voltmeters, peak voltmeters, leakage current meters, three-phase power meters and electrostatic voltmeters with a voltage higher than 600V.
JJG 124-2005 history
- 1970 JJG 124-2015 Highway Section Flaw Detection and Structure Layer Thickness Ground Penetrating Radar
- 2005 JJG 124-2005 Amperemeters, Voltmeters, Wattmeters and Ohmmeters
- 1993 JJG 124-1993 Verification Regulation of Amperemeter Voltmeter Wattmeter and Ohmmeter
