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- Verification Regulation of Heat Meters
- JJG 225-2001
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- DC Digital Ohmmeter
- JJG 724-1991
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- Measuring Instruments for AC Voltage
- JJG 2086-1990
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- Measuring Instruments for AC Power
- JJG 2085-1990
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- Measuring Instruments for AC Current
- JJG 2084-1990
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- Measuring Instruments for Power Frequency Current Ratio
- JJG 2082-1990
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- Verification Regulation of Squares
- JJG 7-2004