Relay Tester with LCD requires 230 V AC, +/- 10%, 50 Hz supply and it is a micro-controller based programmable test equipment used to test all type of auto relay. The Relay Tester has 16 X 2 LCD alphanumeric displays to indicate test parameters and test result and has led indication for pass/ fail. The Relay Tester has external test pass signal for punching and has protection against short circuit. The Relay Tester with LCD is designed with facility to upload data.