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Operating Instructions
WARNING: Risk of electrocution. High-voltage circuits, both AC and DC, are very dangerous and
should be measured with great care.
1. ALWAYS switch the meter OFF when the meter is not in use using the power on/off button.
2. If "1" appears in the display during a measurement, the value exceeds the range you have
selected. Change to a higher range.
NOTE: On some low AC and DC voltage ranges, with the test leads not connected to a device, the
display may show a random, changing reading. This is normal and is caused by the high-input
sensitivity. The reading will stabilize and give a proper measurement when connected to a circuit.
NON-CONTACT VOLTAGE (NCV)
The meter can detect the presence of AC voltage (from 100 to 600VAC) simply by being held very
near to a voltage source.
WARNING: Test the AC voltage detector on a known live circuit before each use.
WARNING: Before using the meter in the AC Voltage Detector mode, verify that the battery is fresh
by confirming characters appear on the LCD when the function dial is turned to any position. Do
not attempt to use the meter as an AC Voltage Detector if the battery is weak or bad.
The NCV function works on any rotary switch position.
1. Turn the meter on.
2. The NCV function works with the meter's function switch set to any position.
3. Be sure to test the NCV function on a known live circuit before use.
4. Hold the top of the meter very close to the voltage source.
5. If voltage is present, the red LED indicator directly above the meter's LCD display
will solidly illuminate.
DC VOLTAGE MEASUREMENTS
CAUTION: Do not measure DC voltages if a motor on the circuit is being switched ON/OFF.
Large voltage surges may occur that can damage meter.
1. Set the function switch to the highest V DC 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 black test probe tip to the negative side of the circuit.
Touch the red test probe tip to the positive side of the circuit.
4. Read the voltage in the display. Reset the function switch to successively lower V
DC positions to obtain a higher resolution reading. The display will indicate the
proper decimal point and value. If the polarity is reversed, the display will show (-)
minus before the value.
800.561.8187
4
www.
.com
MN10-en-GB_V1.3 09/16
information@itm.com
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