B&K Precision SEFRAM 7212 Manuel Utilisateur page 45

3.2 DC voltage measurement
4.
Insert the red probe into the "
into the
5.
Turn the knob switch to the " " position, and connect the probe
to the power supply or load to be measured. The polarity and
measured value of the contact terminal of the red probe will be
displayed on the screen.
Attention：
1. Before turning the function rotary switch, leave the
measurement probe from the circuit under measurement.
2. When the screen only displays "OL", it means that the range
has been exceeded and the measurement should be
terminated.
3. Do not input AC voltage with effective value higher than
600V, otherwise there is a risk of damaging the instrument.
4. Pay special attention to avoid electric shock when measuring
high voltage.
jack.
Measurement instructions
" jack and the black probe
45