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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 TV 510 is a precision multimeter for testing solar panels, measuring open-circuit voltage and maximum power point (MPPT). It features multiple protections, automatic MPPT detection, and a sunlight-readable OLED display, making it ideal for quick checks before installation.
