Keysight U1251B Guia Del Usuario página 5

– Do not exceed any of the measurement limits defined in the specifications
WARNING
– When working above 70 VDC, 33 VAC RMS or 46.7 V peak, exercise
– Do not measure more than the rated voltage (as marked on the meter)
– Double-check the meter's 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 meter before you open the battery cover.
– Do not use the meter with the battery cover or part of the cover removed
– Replace the battery as soon as the low battery indicator
– 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 adaptor apart from the one certified by
Keysight U1251B and U1252B User's and Service Guide
to avoid instrument damage and the risk of electric shock.
caution – such range pose a shock hazard.
between terminals, or between terminal and earth ground.
meter to the circuit. Always place the meter in series with the circuit.
When disconnecting probes, always disconnect the live test probe first.
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 meter 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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