The Martindale TEK402 and TEK404 Continuity Testers are suitable for a wide variety of low voltage signalling, process control and educational applications.

Offering fast and simple continuity testing at an affordable cost, the TEK402 provides users with a clear audible indication if a circuit is established between test leads, whilst the TEK404 continuity tester incorporates a bright LED display and also has a safety measure to prevent use on live circuits.

Complete with CAT III 600V test leads, insulated croc clips and battery, the TEK404 also has a belt clip on the rear face for ease of use.

Compact and robust, the range is designed to withstand even the roughest of handling, providing many years of performance.