Watt Hour ( Active Power Hour) : WH
0.000 to 9.999 KWH 0.001 KWH
±(2%+0.008 KWH)
10.00 to 99.99 KWH 0.01 KWH
±(2%+0.08 KWH)
100.0 to 999.9 KWH 0.1 KWH
±(2%+0.8 KWH)
1.000 to 9.999 MWH 0.001 MWH
±(2%+0.008 MWH)
VA Hour ( Apparent Power Hour ) : SH
0.000 to 9.999 KVAH 0.001 KVAH
±(2%+0.008 KVAH)
10.00 to 99.99 KVAH 0.01 KVAH
±(2%+0.08 KVAH)
100.0 to 999.9 KVAH 0.1 KVAH
±(2%+0.8 KVAH)
1.000 to 9.999 MVAH 0.001 MVAH
±(2%+0.008 MVAH)
VAR Hour ( Reactive Power Hour ) : QH
0.000 to 9.999 KVARH 0.001 KVARH
±(2%+0.008 KVARH)
10.00 to 99.99 KVARH 0.01 KVARH
±(2%+0.08 KVARH)
100.0 to 999.9 KVARH 0.1 KVARH
±(2%+0.8 KVARH)
1.000 to 9.999 MVARH 0.001 MVARH
±(2%+0.008 MVARH)
Harmonics of AC voltage in Magnitude
* Fundamental frequency 50 Hz, 60 Hz
1 to 20th
± ( 2 % + 0.5 V )
21 to 30th 0.1 V
± ( 4 % + 0.5 V )
31 to 50th
reference
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