Instructions

17
VDC + VAC
VAC
VDC
V
0 t
V
0 t
V
0 t
3-1 DC
In the case of a DC signal with AC component (ripple).
■■
■■
■ "AUTO " is displayed when the instrument is switched on: reading
of the DC component only V
DC
.
■■
■■
■ By successive presses on the “ ” key: reading of DC plus the
AC component, of the AC component only and return to DC only.
AUTO : measurement of V
DC
: measurement of V
DC
+ V
AC
(1)
: measurement of V
AC
(1) represents the rms value of the signal
NB: If V
AC
is nil, the automatic display “AUTO ” represents the true rms value
of the signal.
3-2 AC
Example of an AC signal with a DC component.
■■
■■
■ " AUTO " is displayed when the instrument is switched on: reading
of the AC signal only V
AC
.
■■
■■
■ By successive presses on the DC/AC key: reading of AC plus the
DC component, of the DC component only and return to AC only.
AUTO : measurement of V
AC
: measurement of V
AC
+ V
DC
(1)
: measurement of V
DC
(1) represents the rms value of the signal
NB: If V
DC
is nil, the automatic display “AUTO ” represents the true rms value
of the signal.
VDC + VAC VDC
VAC
V
0 t
V
0 t
V
0 t
AUTO
...
~
...
~
VAC + VDC
AUTO
...
~
...
~
...
...
...
~
~
...
...
~
~
...
~
~
~