19055 Series - Hipot Analyzer Chroma's Guardian 19055 Series Hipot Analyzers are designed for hipot tests and analysis. The tests of AC/DC/IR can be programmed in AC 5kV/100mA - DC 6kV/20mA with 500VA output rating which complies with the EN50191 requirements. The Guardian 19055-C not only includes AC/DC/IR tests but also a new measurement technology - Corona Discharge Detection (CDD). Corona Discharge Detection and Discharge Level Analysis (DLA) are used to specify the Corona Discharge Start Voltage (CSV), Flashover Start Voltage (FSV) & BreakDown Voltage (BDV).