Ask an expert!
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 55 quickly and accurately measures the water content in DOT 3, DOT 4, and DOT 5.1 brake fluids. With its LED display, compact design, and acid- and alkali-resistant construction, it's ideal for car, truck, and motorcycle workshops.
