Digital Insulation Resistance Tester has multiple test voltages.

Press Release Summary:

Model A0300029 measures insulation integrity on electric equipment and helps predict, prevent, and identify insulation failures. It includes voltage generator that enables output testing voltage to be adjustable over 250, 500, or 1,000 V. Unit also tests insulation resistance up to 2,000 MW and measures alternating current and voltage below 750 Vac. Encapsulated in rugged and molded plastic case, device features backlit LCD screen visible in sunlight and poorly lit environments.

Original Press Release:

Highly Accurate Digital Insulation Resistance Tester

Toronto, Canada - GAO Instruments ( has released a digital insulation resistance tester which accurately measures insulation integrity on all kinds of electric equipment such as transformers, electro-motors, cables, switches and other wiring. The intelligent digital device predicts, prevents and identifies insulation failures that may cause appliance failure, stop production and create power problems or even put lives at risk. Due to its multiple test voltages, this digital insulation resistance tester is ideally suited for such applications as troubleshooting, commissioning and preventative maintenance.

This practical digital insulation resistance tester, model A0300029, includes a built-in high power voltage generator that enables the output testing voltage to be adjustable over 250V, 500V or 1000V depending on requirements. It tests insulation resistance up to 2000 MW and measures alternating current and voltage below 750V AC. A high contrast backlit LCD screen allows for visibility of test results under bright sunlight or in poorly lit environments.

Encapsulated in a rugged and moulded plastic case, this high performance digital insulation resistance tester is an invaluable tool for field testing.

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About GAO Instruments

GAO Instruments ( is a global leader in research, development and manufacturing of high performance telecommunication testers, electronic measurement instruments and other test and measurement devices.

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