... current: 5 mA LCD,RS232 Application: IM 515B Digital Insulation Tester can be used to measure insulation resistance, DAR(R60s/ R15s ... ), PI(R10min/ R1min),Both Lab and site,Ok Product Features:-Test voltage:0.5KV-10KV ... OKm By sea delivery battery together. IM515B 10KV Digital Insulation Tester