DESCRIPTION

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

KEY FEATURES

• 5-range testing voltage of 50 V/100 MΩ to 1000 V/4000 MΩ
• Digital bar graph
• Stable & high-speed digital readings, 0.3 second response time for PASS/ FAIL decisions
• Drop proof onto concrete from 1m (3.28 feet)
• Bright LED, luminous LCD, test lead with bright LED lamp to illuminate near hand (Option L9788-11 or L9788-10)
• Continuity check via 200 mA testing
• Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles