RK-2681A Insulation Resistance Tester Test Range:100k~10T Ohm Test Voltage:25V/50V/250V/500V/1000V Good quality,easy to use RK-2681A Insulation Resistance TesterOUTLINERK2681 Series Insulation resistance tester is a versatile, pointer, can meet a variety of electronic components, dielectric materials, insulation testing machine and other equipment, with a test speed, good stability, ease of ...