... Both Lab and site,Ok Product Features:-Test voltage:0.5KV-10KV, variable continuously-Bigger output ... -interference ability, can be used at high voltage sub-station-Automatic discharge after test finished. ... process-LCD display,RS232 interface Technical Specifications:- Test voltage:, 0.5KV-10KV, variable continuously; Accuracy:5 ... By sea delivery battery together. IM515B 10 kvHigh voltage Megohmmeter