How to maintain the signal generator(two)

In order to safe and normal use of digital multimeters, you need to pay attention to several points:

1, please do not use the instrument in the environment of explosive gas, water vapor or dust.

2, please do not enter the rated voltage of the meter on the meter terminal (two input terminals, or any input terminals and earth).

3, before use, digital multimeters should be used to measure a known voltage to confirm that the instrument is normal.

4, when measuring the current, connect the instrument to the circuit, please turn off the power supply of the circuit.

5, when the instrument is maintained, please use only the manufacturer's label or components.

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