Hioki IR4057-90 - 5-range, 50V to 1000V digital insulation resistance tester
Hioki insulation testers or megohmmeters feature all-in-one designs including built-in rugged cases and test lead storage compartments. The IR4057-90 is a 5-range, 50V to 1000V digital insulation resistance tester with bar graph, and delivers efficient functions and features to help shorten work time associated with field insulation testing. CAT III 600 V