The Megger® DET2/3 automatic earth (ground) test instrument is robust, compact and designed to measure earth Electrode Resistance and Soil Resistivity. It provides a full range of test methods and excels at the four terminal method of measurement, which eliminates the resistance of the current circuit from the measurement. The DET2/3 is a reliable instrument for use on large or more complex earth systems, which include communications earth systems and difficult test environments.