40
3.13.2 Measurement of the THD in current
1.
Set the switch to
and press and hold (>2s) the
key. The
THD
f
,
THD
r
and
A RMS
symbols are displayed.
2.
Apply the clamp to only the conductor concerned.
The measurement is displayed on screen.
3.13.3 Display of the 25 orders of harmonics and of the frequency of
the fundamental
In the context of measurement of the THDs in voltage ( §
3.13.1
) and in current (§
3.13.2
) :
1.
Press the
key. Order « hdC » is displayed (DC component), only
in DC or AC+DC. The harmonics of higher orders are displayed one
by one as the
key is pressed repeatedly. The
key can be
pressed to return to the previous order
Summary of Contents for F407
Page 1: ...F407 Clamp multimeter GB User s manual...
Page 50: ...50 Validate by choosing Close...
Page 53: ...53 3 5 Graph mode enlarged zoomed...
Page 74: ...693111A02 Ed 7 09 2016...