9
1. Set the rotary function dial to the
“
CAP
” position.
2. Insert the black test lead banana plug into the negative
(
COM
) jack. Insert the red test lead banana plug into the
positive (
V
) jack.
3. Touch the test leads to the capacitor to be tested.
4. Read the capacitance value in the display
Frequency/Duty Cycle Measurements (electronic)
1.
Set the rotary function switch to “
V
” position.
2. Select ACV with the
MODE
button
3. Press the
Hz%
button to indicate “
Hz
” in the display.
4. Insert the black test lead banana plug into the negative
COM
jack and the red test lead banana plug into the
positive
Hz
jack.
5. Touch the test probe tips to the circuit under test.
6. Read the frequency on the display.
7. Press the
Hz%
button again to indicate “
%
” on the
display. Read the
%
of duty cycle on the display.
Temperature Measurements
WARNING:
To avoid electric shock, disconnect both test
probes from any source of voltage before making a
temperature measurement.
1. Set the rotary function dial to
TEMP
.
2. Insert the K-Type adapter into the negative
COM
and the
V
jacks, making sure to observe the correct
polarity.
3. Select
C or
F with the
MODE
button.
4. Touch the Temperature Probe head to the part whose
temperature you wish to measure. Keep the probe
touching the part under test until the reading stabilizes
(about 30 seconds).
5. Read the temperature in the display. The digital reading
will indicate the proper decimal point and value.
WARNING:
To avoid electric shock, be sure the
thermocouple has been removed before changing to
another measurement function
Summary of Contents for CM-220
Page 1: ...CM 220 True RMS AC CLAMP METER INSTRUCTION MANUAL...
Page 13: ...13...