The HIOKI IR4057-90 is a fast five-range insulation resistance tester designed to shorten field inspection time.
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50 V to 1000 V insulation test ranges
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Fast 0.3 second pass/fail response
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200 mA continuity check
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Digital bargraph for insulation trend indication
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Model-specific accessory package
Note: Confirm the accessory set included with this order code.