... for judgement The CS9922G CS9922G-1, AC/DC Withstanding Voltage/Insulation Resistance Tester, is the test instrument that can handle the ... , Connector, and Junction Box. The CS9922G/9922G-1 are equipped with functions of the AC/DC withstanding voltage testing and the insulation ... stress to the PV module The judgement method of the insulation resistance test can be selected by using the current value ...