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Digital Multimeter
Precautions and Safety Information
3
• When making electrical 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.
• Do not use the Meter if it operates abnormally. Protection
may be impaired. When in doubt, have the Meter serviced.
• Do not operate the Meter around explosive gas, vapor, or
dust.
• Use only a single 9 V battery, properly installed in the Meter
case, to power the Meter.
• When servicing the Meter, use only specified replacement
parts.
• When using probes, keep fingers behind the finger guards
on the probes.
• Do not use the Low Pass Filter option to verify the presence
of hazardous voltages. Voltages greater than what is
indicated may be present. Make a voltage measurement
without the filter to detect the possible presence of
hazardous voltage, then select the filter function.
XCaution
To avoid possible damage to the Meter or to the equipment
under test, follow these guidelines:
• Disconnect circuit power and discharge all high-voltage
capacitors before testing resistance, continuity, diodes, or
capacitance.
• Before measuring current, check the Meter's fuses.
See " Testing the Fuses”.