Division 1.1 Units, accuracy and resolution of electric parametersF1
Units, accuracy and resolution of measurements shall be as shown in Table A8/1.
Table A8/1
Parameters, units, accuracy and resolution of measurements
Equipment: static meter for active energy. | |||
AC watt-hour meter, Class 1 in accordance with IEC 62053-21 or equivalent. | |||
Whichever is greater. | |||
Current integration frequency 20 Hz or more. | |||
| Parameter | Units | Accuracy | Resolution |
|---|---|---|---|
| Electrical energyf1 | Wh | ± 1 per cent | 0,001 kWhf2 |
| Electrical current | A | ± 0,3 per cent FSD or | 0,1 A |
| Electric voltage | V | ± 0,3 per cent FSD or ± 1 per cent of reading | 0,1 V |
Annotations
Textual amendments
Footnotes
- f1
Equipment: static meter for active energy.
- f2
AC watt-hour meter, Class 1 in accordance with IEC 62053-21 or equivalent.
- f3
Whichever is greater.
- f4
Current integration frequency 20 Hz or more.