HT instruments VEGA78 - Manual (Page 114)

VEGA78
EN - 112
Energy – Single phase / Three phase systems (@ Cos >0.5 and Vmis>60V, clamp type STD)
Parameter
[Wh, VArh, VAh]
Full Scale
Clamp (FS)
Range
[Wh, VArh, VAh]
Accuracy
Resolution
[Wh, VArh, VAh]
Active Energy
Reactive Energy
Apparent Energy
FS  1A
0.0  999.9
1.000  9.999k
(1.0%rdg+6dgt)
0.1
0.001k
1A< FS  10A
0.000  9.999k
10.00  99.99k
0.001k
0.01k
10A< FS  100A
0.00  99.99k
100.0  999.9k
0.01k
0.1k
100A< FS  3000A
0.0  999.9k
1.000  9.999M
0.1k
0.001M
For STD clamp
Vmis = voltage correspondent to power measurement
FS = Full scale clamp
Power Factor (Cos ) – Single phase / Three phase systems
Range Accuracy (°) Resolution (°)
0.20 0.50 1.0
0.01 0.50 0.80 0.7
0.80 1.00 0.6
Voltage / Current harmonics
Range Accuracy(*) Resolution
DC  25 a
(5.0%rdg+5dgt) 0.1V / 0.1A 26 a  33 a
34 a  49 a
(*) Accuracy to add at correspondent TRMS paramters
Frequency
Range Accuracy Resolution
42.5 69.0Hz (0.2%rdg+1dgt) 0.1Hz