Micsig MS300 Series, User Manual

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Multimeter safety information
6.1 Multimeter safety information

If the instrument damaged, do not use it.

Check if the test pens are damaged, if yes, please replace them before using the
instrument.

Do not apply overload voltage to the terminal instrument as regulation.

While using current module to measure current, users should first turn off the
power supply of the circuit which is under test, and plug the current module into
multimeter jack and then put the pens into the current module and parallel it to
the tested circuit.
Attention: do not directly plug the pen to multimeter jack or
parallel it to the tested circuit.

While using the pen to test, should put your fingers behind the pen protection.

In order to avoid the readout-error caused by under voltage for battery reason. If
the battery displays not enough, it appears (
) icon
，
user should replace the
battery or use the external power source immediately.

Under 36V is safe voltage, avoid electric shock while the test above 36V voltage,
please test the pens and connections to check whether the insulation is good.

While measuring, select correct functions