•
•
WARNING
Do not operate the meter around
explosive gas, vapor, or dust.
•
•
WARNING
When using the test leads, keep your
fingers behind the finger guards. Do not touch the
metal probes of the test leads when making a
measurement.
• When making connections, connect the black (–) test
lead before connecting the red (+) test lead; when
disconnecting, disconnect the red (+) test lead before
disconnecting the black (–) test lead.
• Disconnect circuit power and discharge all high-
voltage capacitors before measuring/testing resistance,
continuity, diodes, or capacitance.
• Before measuring current, turn off power to the circuit
before connecting the meter.
• Do not operate the meter with the case (or part of the
case) removed.
• Use only (1) “9V” battery, properly installed in the
battery compartment, to power the meter. Do not use
rechargeable batteries.
• Replace the battery as soon as the low battery
indicator “
” appears. Operated with a weak
battery, the meter might produce false readings that
could lead to electric shock and personal injury.
• Remove the test leads from the meter before opening
the meter case or battery compartment.
6
DMM52&53FSG Manual_R1-FINAL-102114_Layout 1 11/21/14 12:03 PM Page 6
