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Insulation testers use a high voltage, low current DC charge to measure the resistance within wires and motor windings to identify current leakage and faulty or damaged insulation, which can lead to arc faults, blown circuits, and risk of electrical shock or fire.
By completing profiles, we can ensure you get the best service
![Simpson 372-3 [12311] Ohmmeter 0.2 to 50 MΩ](image/cache/wp/gj/Products/Simpson_372-200x200.webp "Simpson 372-3 [12311] Ohmmeter 0.2 to 50 MΩ")
![Simpson 505 [12505] High Voltage Insulation Tester](image/cache/wp/gj/Products/Simpson_505-200x200.webp "Simpson 505 [12505] High Voltage Insulation Tester")
![HT Instruments COMBI 420 [HV000420] Multifunction Installation Tester](image/cache/wp/gj/Products/HT_COMBI420-200x200.webp "HT Instruments COMBI 420 [HV000420] Multifunction Installation Tester")
![HT Instruments COMBI 419 [1003280] Multifunction Installation Tester](image/cache/wp/gj/Products/HT_COMBI419-200x200.webp "HT Instruments COMBI 419 [1003280] Multifunction Installation Tester")
![Gossen Metrawatt METRISO INTRO [M550N] 250V / 400V / 500V Insulation And Resistance Tester](image/cache/wp/gj/Products/Gossen_M550N-200x200.webp "Gossen Metrawatt METRISO INTRO [M550N] 250V / 400V / 500V Insulation And Resistance Tester")
![Gossen Metrawatt METRISO BASE [M550O] 50V / 100V / 125V / 250V / 500V Insulation And Resistance Tester](image/cache/wp/gj/Products/Gossen_M550O-200x200.webp "Gossen Metrawatt METRISO BASE [M550O] 50V / 100V / 125V / 250V / 500V Insulation And Resistance Tester")
![Gossen Metrawatt METRISO PRO [M550R] 50V / 100V / 250V / 500V / 1000V Insulation And Resistance Tester](image/cache/wp/gj/Products/Gossen_M550R-200x200.webp "Gossen Metrawatt METRISO PRO [M550R] 50V / 100V / 250V / 500V / 1000V Insulation And Resistance Tester")
![Gossen Metrawatt METRISO TECH [M550P] 50V / 100V / 125V / 250V / 400V / 500V / 1000V Insulation And Resistance Tester](image/cache/wp/gj/Products/Gossen_M550P-200x200.webp "Gossen Metrawatt METRISO TECH [M550P] 50V / 100V / 125V / 250V / 400V / 500V / 1000V Insulation And Resistance Tester")
