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Hioki Insulation Tester
Hioki IR4056-20 Insulation Tester
The Hioki IR4056 is a 5-range (50 V to 1000 V) digital insulation resistance tester designed for field efficiency and safety, featuring a robust, "all-in-one" design with integrated test lead storage. It offers fast PASS/FAIL judgments in 0.8 seconds, a built-in AC/DC voltmeter up to 600 V, 200 mA continuity testing, and a drop-proof construction.