Electrical testing equipment generally has higher safety requirements, so we must know some information before using it. Let's look at the instructions before using the automatic variable ratio group tester.
1. Please read this instruction carefully before using.
2, the instrument can be used inside and outside, but should avoid rain, corrosive gas, dust too thick, high temperature, direct sunlight and other places to use.
3, when wiring, pay attention to the high voltage side and low voltage side can not be connected inversely.
4. After the instrument is started, the test leads can not be short-circuited or grounded to each other, and the unused lead clip must be suspended.
5, the instrument wiring should pay attention to yellow, green, red three colors corresponding to the transformer A, B, C, three-phase terminal, can not be connected wrong.
6, the maintenance and adjustment of the instrument should be carried out by professional personnel.
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