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3
5. Don’t use other unconfirmed or disapproved battery to
replace the battery inside the meter. Only the same model or
same electrical specification battery can be replaced. Before
the replacement, the test lead must be removed from the
measuring point to ensure there is no longer any signal at the
input terminal.
6. When the electrical measurement is made, never let your
body get in touch with the ground directly, and don’t touch
uncovered metal terminal, output port, lead clamp and etc.
where earth potential may exist. Dry clothes, rubber shoes,
rubber cushion and other insulating material are usually used
to keep your body insulated against the ground.
7. Don’t store and use it in the high-temperature, high-humidity,
inflammable and strong magnetic field environment.
8. It may damage to the meter and endanger the operator’s
safety if the voltage value beyond the permitted ultimate
voltage value is measured. The ultimate voltage value
permitted for measurement is marked on the instrument
panel, and never measure the value exceeding the standard.
Don’t input the ultimate value out of regulation in order to
avoid electric shock and the damage to the meter.
9. When the test lead is inserted into the current socket, don’t
measure any voltage for fear that the meter should be
damaged and the operator’s safety be endangered.
10. Don’t try calibrating or repairing the meter. When necessary,
only the qualified professional personnel who have had
special training or gained approval can make it.
11. During measurement, the requirement of measurement
function must be in accordance with LCD display. Please be
sure to disconnect the line of the test lead with the measured
object first and ensure there is no any input signal. It is
forbidden to switch the function/range selection switch during
measurement
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