RK9961:
Voltage withstand test: AC (0.05~5.000) kV, DC (0.05~6.00) kV
Insulation test: Output voltage 0.050kV~5 000kV resolution: 1V/step
Grounding resistance: Current range 3.0-32.0A (customizable to 100A)
Leakage current: voltage range 30.0V~300.0V