Fluke 408B High Voltage power supply adjustable in < 0.1 V increments up to 6 KV. Max current is set to 20 mA. It is in good functiional and cosmetic condition. It requires an Amphenol MS 3106 A 18-16P plug for HV cable (not supplied, but available). Sorry... no manual, but they are available on line. Local pick up only please.