The IR4059 is the ideal insulation tester for a technician to use when checking the insulation resistance of an electric car, thanks to its safety features, reliable performance, and user-friendly design.

The IR4059 is a Bluetooth® compatible insulation tester. It has a 5-range, 50 V to 1000 V digital insulation resistance tester with bar-graph and delivers efficient functions and features to help shorten the work time associated with field insulation testing.

• 5-range testing voltage of 50 V/100 MΩ to 1000 V/4000 MΩ
• Digital bar graph
• Multi-functional test lead with remote switch improves work efficiency: flashlight, remote test start, LED light for PASS/FAIL notification.
• Stable and high-speed digital readings; 0.3 second response time for PASS/ FAIL judgment.
• Bright LED, luminous LCD, test lead (included accessory: L9788-10) with bright LED lamp to illuminate near hand.
• Continuity check via 200 mA testing
• Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles
• Easily transfer measurement data to your smartphone or tablet by using our free app GENNECT Cross or to an Excel® file. (Wireless Adapter Z3210 is necessary)
• Drop proof onto concrete from 1m (3.28 feet)