Greenlee AM-1000 Manuel D'instructions page 7

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Operation
For highest accuracy:
• Lay the meter flat on a non-metallic surface, away from any magnetic objects.
• Read the scale straight on — not at an angle.
• If possible, select a range that results in a reading in the upper 1/3 of the scale.
1. Unlock the pointer.
2. Zero the meter as follows: With the test leads disconnected, adjust the Zero Adjustment
Screw to set the pointer to the far right side of the scale.
Before taking a resistance measurement, set the meter to Ω. Connect the tips of the test
3.
leads together and read the meter. Use the Ohms Adjustment Knob to set the needle to the
far left side of the scale (zero ohms).
Note: If you cannot zero the meter, replace the battery. If you cannot zero the meter after
replacing the battery, send the unit to Greenlee for repair.
4. See the Settings Table. Set the selector to the proper setting and connect the test leads to
the meter. Start with the highest measurement setting.
5. See Typical Measurements for specific measurement instructions.
6. 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 and/or fuse.
• If the unit still does not function as expected, send the unit to Greenlee for repair. See
the address shown under Warranty.
7. Take the reading from the circuit or component to be tested. If the resolution is not
satisfactory, remove the meter from the circuit and change to the next lower range.
Note: Use the pointer Lock to hold the measurement, if desired.
Settings Table
To measure this set the selector to a measurement
characteristic ... range indicated by this symbol ...
AC Current
AC Voltage
DC Voltage
Resistance
connect the
red lead to ... black lead to ...
A
V
V
Ω
AM-1000
and connect the
N/A N/A
V COM
V COM
Ω
COM
7