
- artifical pollution test procedures were removed as they are now described in IEC 60507,
- measurement of impulse current has been transferred to a new standard on current measurement (IEC 62475),
- the atmospheric correction factors are now presented as formulas.
ICS Codes: 17.220.20 - Measurement of electrical and magnetic quantities
*Including measuring instruments, instrument transformers
*Electric energy meters in buildings, see 91.140.50
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