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 TV 411 enables quick, non-contact detection of phase sequence and rotating field direction, ideal for servicing motor installations and multi-phase networks. Its LED display and integrated rotary tester ensure fast, safe, and reliable operation.
