ACA
Range
Resolution
Accuracy
20A
0.001A,
< 10 A
± (0.5%+0.1A)
0.01A,
10 A
≧
200A
0.01A,
< 100 A
± (0.5%+0.5A)
0.1A,
100 A
≧
1200A
0.1A,
< 1000 A
± (0.5%+5A)
1A,
1000 A
≧
Power factor
Range
Resolution
Accuracy
0.00 to 1.00
0.01
± 0.04
Remark :
* PFH : Long term power factor
* PF
Σ
:
For 3
Φ
4W, 3
Φ
3W
PF
Σ
= ( PF1 + PF2 + PF3 )/3
For 1
Φ
3W
PF
Σ
= ( PF1 + PF2 )/2
Φ
( Phase angle )
Range
Resolution
Accuracy
-180° to 180°
0.1°
± 1°
* ACOS ( PF )
Frequency
Range
Resolution
Accuracy
45 to 65 Hz
0.1 Hz
0.1 Hz
6
