Tektronix DMM912

DMM912/914/9161–24
AC + DC measurements
1. Set dial.
2. Connect leads.
0 V
0 V
The AC + DC measurement provides a true RMS equiva-
lent voltage reading of the combined AC and DC compo-
nents of a signal.
The formula
VRMS  VAC
2
 VDC

2
is used to
calculate the RMS voltage.