This high performance Flameproof Earth Testing Unit is used to determine resistant attributes of ground or earth. This testing apparatus is useful to avoid damages caused by fault current. Powered by DC current, this apparatus comprises of standard parts like rectifier, current coil and current reverser. This Flameproof Earth Testing Unit is reckoned for its ergonomic look, accurate dimension, long life span and user friendly mechanism. Its standard has been verified on the basis of its performance, operating cost, service life and design precision.