Applied to on-site high voltage line electricity testing, identify voltage level of high voltage system, inspect fault of high voltage line, repair the inspect induced voltage of the neon lamp, high voltage sodium lamp, inspect residual high voltage or induced voltage, etc. 1. Model : ETCR1820B 2. Voltage Gear : Nine gears 3. Electricity TestRange : 240V~500KV(optinal) 4. Electricity Test Level : 380V、6.6kV、10kV、35kV、66kV、110kV、220kV 5. Voltage to Earth Display Range : 0.1kV~150kV(Voltage to earth) 6. Power Supply : Zn-Mn dry battery 6F22, 9V