The MRU-200-GPS is the advanced version of the MRU-200, featuring an integrated GPS module for the position storage of test objects. It is the only grounding measurement device on the market that performs all possible measurement methods in the field of grounding measurement. Notably, it includes the lightning protection method for checking lightning rod systems under nearly real conditions. With extensive measurement accessories such as current clamps, 25-meter long measurement cables, and auxiliary electrodes, grounding measurements and resistance measurements can be carried out effortlessly in any environment and on any grounding and lightning protection system without the need to disconnect the ground. Additionally, a professional grounding analysis can be conducted based on the measured interference voltages and interference frequencies.