Tonghui TH9310 Series - Test Function Theory and Instruction

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4.4 Test function theory and instruction
This section describes the test theory and instruction of ground connection, ground wire current
detection and arc detection according to the order of the test procedure.
Block flow diagram of the instrument
Output voltage waveform amplitude diagram
Start test
High voltage test
Voltage fall
Test delay
Test voltage rise
Charge current test
Electric wall
Pass judge
End
Arc detection
Current limit
Within the range, fail can trigger fail judge
In DC mode current, no current limit during
WAIT
Fail
Mul- item test
STOP