Hioki insulation testers or megohmmeters feature all-in-one designs including built-in rugged cases and test lead storage compartments. The IR4018-20 is a single-range, 1000V/2000MΩ analog insulation resistance tester with efficient functions and features to help shorten work time associated with field insulation testing. CAT III 600 V

Key Features
• Single range testing voltage of 1000 V
• Test insulation resistance up to 2000 MΩ
• Ergonomic design lets you start and stop tests with a single press
• Built tough to withstand a 1-meter drop onto a concrete floor
• Bright LED luminous scale
• Check for live circuits and battery status
• Integrated hard case for quick and easy storage without disconnecting the leads
• Made in Japan