... , or AC110V ±10%, 50HZ/60HZ, single phaseTest Voltage0-80KVRate of rise of voltage2 kV per second ± 10%. kV IndicationThree digit, 1” ... 1” LED display. Status IndicatorsLed indicators for ‘Power on’, ‘HV rise’,’ HV fall’, ‘stir’ and ‘static’. Test functionsReset, Run, Keep ... , Alarm, Print and Display. Number of TestsSettable from 1 to 9 tests. Stirring timeSettable from 0 ...