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Model UT33A: OPERATING MANUAL
l When the Meter is working at an effective voltage over 60V in DC or 42V
rms in AC, special care should be taken for there is danger of electric shock.
l Use the proper terminals, function, and range for your measurements.
l Do not use or store the Meter in an environment of high temperature,
humidity, explosive, inflammable and strong magnetic field. The performance
of the Meter may deteriorate after dampened.
l When using the test leads, keep your fingers behind the finger guards.
l Disconnect circuit power and discharge all high-voltage capacitors before
testing resistance, continuity, diodes and current.
l Before measuring current, check the Meter’s fuses and turn off power to
the circuit before connecting the Meter to the circuit.
l Replace the battery as soon as the battery indicator “ ” appears. With a low
battery, the Meter might produce false readings that can lead to electric
shock and personal injury.
Rules For Safe Operation (2)
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