The Sonel MRU-200 is able to make all the measurement methods such as the 2-pole, 3-pole,4-pole method. It is also possible along with BS:EN62305 Lightning Impulse earth resistance measurement with three kinds of measuring impulse 4/10μs, 8/20μs, 10/350μs. Measurement with clamps for selective earth resistance measurement can also be easily
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