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3.11 POWER MEASUREMENTS W, VA, VAR AND PF
This measurement is possible in single-phase or in balanced 3-phase.
NOTE:
If performing DC or AC+DC power measurements, correct the DC zero in
current first (see § 3.9.2)
For the power factor (PF) and the powers VA and var, the measurement is
possible only in AC or AC+DC.
3.11.1 Single-Phase Power Measurement
1. Set the switch to
and select
VA
,
var
, or
PF
by pressing the
button until the desired choice is reached.
2. The device automatically displays AC+DC. To select AC, DC, or
AC+DC, press the
(yellow button) until the desired choice is
reached.
3. Connect the black lead to the
COM
terminal and the red lead to the "
+
"
terminal.
4. Connect the test probes or the alligator clips of the black lead on the
neutral (N), then those of the red lead on the L phase.
5. Clamp around only the corresponding conductor, respecting the
direction.
The measurement is displayed on screen.
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