... display 2) Automatic resonant regulated, manual frequency regulated, and automatic voltage step-up and voltage withstand function3) Auto-regulate ... voltage, over current and test flashover protection and voltage divider test signal monitor protection function, and with warning function 5 ... : 10kVA, 20kVA, 50kVA, 100kVA, 200kVA, 300kVA, and 600kVA 2) Output voltage regulating range: 2 - 200V, ...