Operation - Greenlee DM-25 Instruction Manual

Operation

1. Refer to the Settings Table. Set the selector to the proper setting. Start with
the highest measurement range.
2. Refer to "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, call Greenlee for technical
assistance at 800-435-0786.
4. Take the reading from the circuit or component to be tested. If the resolu-
tion is not satisfactory, remove the meter from the circuit and change to
the next lower range.
Settings Table
To measure this value:
Continuity*
Diode
Resistance
Battery
Voltage (DC)
Voltage (AC)
* Tone indicates continuity. The threshold is between 30 Ω and 100 Ω.
Electric shock hazard:
Contact with live circuits could result in severe injury
or death.
Set the selector to this symbol:
Batt.
DM-25
Ω
9