Features 200VA AC/DC Withstand Voltage Insulation Electrical Safety Tester True RMS Cut-Off Current Measurement Arc Detection Zero Crossing Turn-On Operation Switch Linear Amplifier with Feedback Control to Provider High Regulated Voltage Output Controllable Ramp-Up Time Output Voltage and Current Limit Could be set Without HV Output Output Voltage Adjustable During Test Period 9 pins Remote Control for START, RESET, and Test Result Output Automatic FAIL Indicator of Alarm Lamp and Buzzer Scanner Box for Automatic Test (Option).