27
3.7
RESISTANCE MEASUREMENT
Warning:
Before making a resistance measurement, make sure that the circuit is
off and all capacitors have been discharged.
1.
Set the switch to
and press the
(yellow) button. The
symbol
is displayed.
2.
Connect the black lead to the
COM
terminal and the red lead to the "
+
"
terminal.
3.
Connect the test probes or the alligator clips to the circuit or component
to be measured.
The measured value is displayed on the screen.
3.8
CURRENT MEASUREMENT (A)
The jaws are opened by pressing the trigger on the body of the meter. The arrow
on the jaws of the clamp-on meter (see the following diagram) should point in the
presumed direction of current flow, from the generator to the load. Make sure that
the jaws have closed correctly after clamping around the conductor.
NOTE:
The measurement results are optimal when the conductor is centered in
the jaws (aligned with the centering marks).
The device selects AC or DC automatically according to which measured value is
larger. The AC or DC symbol displays blinking in auto detect mode.
3.8.1
AC Measurement
For an AC current measurement, proceed as follows:
1.
Set the switch to
and select AC by pressing the
(yellow
button). The AC symbol is displayed.
2.
Clamp the jaws around the conductor to be measured. The device
selects AC or DC automatically.
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