12E
Users Manual
2
Warnings and Precautions
To avoid possible electric shock or personal injury, and to avoid possible damage to the Meter or to the
equipment under test, comply with the following practices:
Before using the Meter, inspect the case. Do not use the Meter if it is damaged. Look for cracks or missing plastic. Pay
particular attention to the insulation around the connectors.
Inspect the test leads for damaged insulation or exposed metal. Check the test leads for continuity. Replace damaged
test leads before using the Meter.
Verify a Meter’s operation by measuring a known voltage. Do not use the Meter if it operates abnormally. Protection
may be impaired. When in doubt, have the Meter serviced.
Do not apply more than the rated voltage, as marked on the Meter, between the terminals or between any terminal and
earth ground.
Use caution when working with voltages above 30 V ac rms, 42 V ac peak, or 60 V dc. These voltages pose a shock
hazard.
Use the proper terminals, function, and range for your measurements.
Do not operate the Meter around explosive gas, vapor, or dust.
When using the probes, keep the fingers behind the finger guards.
When making connections, connect the common test lead before connecting the live test lead; when disconnecting,
disconnect the live test lead before disconnecting the common test lead.
Disconnect circuit power and discharge all high-voltage capacitors before testing resistance, continuity, diodes, or
capacitance.
Do not use the Meter in a manner not specified by this manual or the safety features of the Meter may be impaired.
For all dc functions, including manual or auto-ranging, to avoid the risk of shock due to possible improper reading,
verify the presence of any ac voltages by first using the ac function. Then select a dc voltage range equal to or greater
than the ac range.
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