FLIR CM83 - Page 30

5 Operation
6. To return to active power measurements, press the
button repeatedly
until neither the
nor the indicator is displayed.
5.8.2.2 Three-phase four-wire balanced/unbalanced
The power of a three-phase four-wire configuration is measured in three steps,
accordance with Figure 5.5. The total power is the sum of the three measure-
ments: W = W
1
+ W
2
+ W
3
.
Figure 5.5 Three-phase four-wire measurement
#T559825; r. AI/33557/33557; en-US 24