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Testboy is a leading manufacturer of electrical testing and measurement equipment for electricians, installers and maintenance professionals. Its portfolio includes voltage testers, multimeters, cable locators, socket testers and environmental measuring instruments designed to deliver reliable and accurate results in industrial, commercial and residential applications. Professionals worldwide trust Testboy products for safety, durability and ease of use.
The Testboy Profi III DUO offers an extensive range of features in a robust, user-friendly design. With both an illuminated LCD and an 11-segment LED display, it ensures easy readability even in tough environments. Featuring one-handed operation, automatic test range selection, and high-voltage testing up to 1500 V DC, it is ideal for professional use. CAT IV 1000 V certification guarantees the highest safety standards.
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