A SERVICE OF

logo

382068-EU-EN-V4.0 12/11
8
Note: When calculating KVAR, the KVAR accuracy greatly depends on V, A and KW measurement
accuracy (especially when PF is very close to 1). To get a more accurate value when PF is greater
than 0.91 (
φ
< 25
°
), use the following equation for a pure sine wave
KVA
KW
PF =
KVA (Apparent Power): KVA =
1000
* AV
KVAR (Reactive Power): KVAR=
22
(KW)(KVA)
3
φ
3W AC/DC Power Measurement
Figure 4
Note
: The "+" sign printed on the jaw must face the power source.
KW
600V MAX CAT
WL12
3 3W
3 3W
PF lag
WL12
KW
MAX600V CAT
WL1 2
PF lag
3 3W
3 4W
KW
3 3W
V
1000A
Hz
HOLD
OFF