UNI-T UT20B Operating Manual page 7

Model UT20B: OPERATING MANUAL
Rules For Safe Operation (2)
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When the Meter working at an effective voltage over 60V in DC or 30V rms
in AC, special care should be taken for there is danger of electric shock.
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Use the proper function and range for your measurements.
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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.
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When using the test leads, keep your fingers behind the finger guards.
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Disconnect circuit power and discharge all high-voltage capacitors before
testing resistance, diodes or current.
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Before measuring current, check the Meter's fuses and turn off power to
the circuit before connecting the Meter to the circuit.
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Replace the battery as soon as the battery indicator
low battery, the Meter might produce false readings that can lead to electric
shock and personal injury.
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Turn the Meter power off before opening the Meter case.
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When servicing the Meter, use only the same model number or identical
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