HIOKI U.S.A. Corporation INSULATION TESTER
The IR4056-21 is a digital insulation resistance tester from HIOKI, designed for efficient and accurate insulation resistance testing. It features a 5-range, 50 V to 1000 V output, and delivers rapid response with a bar graph display for intuitive readings. The tester is engineered for safety and ease of use, with a robust, drop-proof design and a large backlit LCD. It supports automatic discharge of the circuit under test and includes a live circuit warning to enhance user safety. The IR4056-21 is suitable for a wide range of electrical installation inspections and maintenance tasks.