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– Do not exceed any of the measurement limits defined in the specifications
WARNING
– When working above 60 VDC, 30 VAC rms, or 42.4 VAC peak, exercise
– Do not measure more than the rated voltage (as marked on the
– Double-check the meters operation by measuring a known voltage.
– For current measurement, turn off circuit power before connecting the
– When connecting probes, always connect the common test probe first.
– Detach test probes from the multimeter before you open the battery cover.
– Do not use the multimeter with the battery cover or part of the cover
– Replace the battery as soon as the low battery indicator flashes on
– Do not operate the product in an explosive atmosphere or in the presence
– Inspect the case for cracks or missing plastic. Pay extra attention to the
– Inspect the test probes for damaged insulation or exposed metal, and
– Do not use any other AC charger adapter apart from the one certified by
Keysight U1253B User's and Service Guide
to avoid instrument damage and the risk of electric shock.
caution – such range poses a shock hazard.
multimeter) between terminals, or between terminal and earth ground.
multimeter to the circuit. Always place the multimeter in series with the
circuit.
When disconnecting probes, always disconnect the live test probe first.
removed or loose.
screen. This is to avoid false readings, which may lead to possible electric
shock or personal injury.
of flammable gases or fumes, vapor, or wet environments.
insulation surrounding the connectors. Do not use the multimeter if it is
damaged.
check for continuity. Do not use the test probe if it is damaged.
Keysight with this product.
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