Ask an expert!
Our product specialists can compare models, confirm availability and lead time, and help you find the best option for your application
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.
Buy with confidence
From product selection to long-term support, we make it easy to get the right equipment and ongoing services you can rely on.
Work with product specialists who can compare models, answer technical questions, and help identify the right equipment for your application.
Keep equipment accurate and performing reliably with accredited calibration, repair, and ongoing service support.
Choose the purchasing model that fits your budget and project needs with new, pre-owned, and rental equipment options.
Purchase genuine manufacturer products with the confidence of authorized distribution, manufacturer-backed warranties, and trusted support.
