Operation - Greenlee CM-750 Instruction Manual

Operation

1. Set the selector according to the Settings Table.
2. See Typical Measurements for specific measurement instructions.
3. Test the unit on a known functioning circuit or component.
• If the unit does not function as expected on a known functioning circuit, replace the
battery.
• If the unit still does not function as expected, send the unit to Greenlee for repair. See
the address shown under Warranty.
4. Take the reading from the circuit or component to be tested.
5. If it is a DC reading, remove the clamp from the circuit and press the ZERO A
button. Clamp the jaw around the circuit again to measure the actual DC current.
Settings Table
To measure
this value ...
Continuity*
Resistance
DC Voltage
AC Voltage
DC Current (600 A max.)
AC Current (600 A max.)
* Tone sounds if the measured resistance is less than approximately 50 , and turns off
when greater than approximately 300
Electric shock hazard:
Contact with live circuits can result in severe injury or death.
set the selector
to this symbol ...
/
and press
ZERO A / /
/
V
V
A
A
.
connect the
red lead to ...
V-
V-
V-
V-
Remove lead
Remove lead
CM-700 • CM-750
/ /
and connect the
black lead to ...
COM
COM
COM
COM
Remove lead
Remove lead
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