Introducing Hioki Insulation Testers or Megohmmeters, designed for field insulation testing with an all-in-one design that features built-in rugged cases and test lead storage compartments. The IR4057-50 is a digital insulation resistance tester that offers efficient functions and features to help shorten your work time.

This megohmmeter boasts 5-range testing voltage, ranging from 50 V/100 MΩ to 1000 V/4000 MΩ, and features a digital bar graph that displays stable and high-speed readings. With a response time of just 0.3 seconds, you can make quick PASS/FAIL decisions with ease.

In addition to its impressive testing capabilities, the IR4057-50 also includes a wireless data transfer feature that allows you to easily transfer measurement data to your smartphone or tablet using our free app GENNECT Cross or to an Excel® file. Please note that the Wireless Adapter Z3210 is necessary for this feature.

This insulation tester is also built to withstand the rigors of fieldwork, with a rugged design that is drop-proof onto concrete from 1m (3.28 feet). Its bright LED and luminous LCD display provide clear visibility even in low light conditions, and the test lead comes with a bright LED lamp to illuminate near your hand. (Option L9788-11 or L9788-10)

The IR4057-50 also includes a continuity check via 200 mA testing and a built-in AC/DC voltage meter, which is useful for testing solar power generation systems and electric vehicles.

You can order the IR4057-50 today (Order Code), and if you need the wireless data transfer feature, you can choose the IR4057-90, which comes bundled with the Wireless Adapter Z3210. Choose Hioki insulation testers for reliable and efficient field insulation testing.