Earth testers, MRU-200-GPS is the only meter in the market which uses all measurement methods. Possible measurements: earth resistance measurment with 2-pole, 3-pole,4-pole method, impulse earth impedance measurement, three kinds of measuring impulse 410μs, 820μs, 10350μs, earth resistance measurement without disconnecting measured earths (using clamp), two clamps earth...

Earth testers, MRU-200-GPS is the only meter in the market which uses all measurement methods. Possible measurements: earth resistance measurment with 2-pole, 3-pole,4-pole method, impulse earth impedance measurement, three kinds of measuring impulse 410μs, 820μs, 10350μs, earth resistance measurement without disconnecting measured earths (using clamp), two clamps earth...