Electrostatic Discharge, designed for real world electrostatic discharge simulation. Meets requirements of i.e.: IEC publ. 801-2, CENELEC HD 481-2, ECMA TC20 and VG 95377 Voltage range: 0.2 - 30 kV Option: Counter preselectable for continuous mode with delay adapter Discharge modules for 18 kV units are type AD and type RSI (both are included) Power Supply: 115/230 V 50/60 Hz