Description Earth Resistance and Soil Resistivity Meter | MRU-12 Measurement functions Measurement range Display range Resolution Accuracy Interference voltage 0 V…100 V 0 V…100 V 1 V ±(10% m.v. 1 digit) Earth resistance 2-pole method 0.00…9999 Ω 0.00…9999 Ω from 0 0.01 Ω from ±(3% m.v. 3 digits) 3-pole and 4-wire method 0.53…9999 Ω acc. to EN 61557-5 0.00…9999 Ω from 0 0.01 Ω from ±(3% m.v. 3 digits) auxiliary electrodes resistance 0 Ω…19.9 kΩ 0 Ω…19.9 kΩ from 0 1 Ω ±(5% 8 digits) Earth resistivity Wenner method 0.0 Ωm…999 kΩm 0.0 Ωm…999 kΩm from 0.1 Ωm Depends on the accuracy of the RE 4p measurement, but not less than ±1 digit Schlumberger method 0.0 Ωm…999 kΩm 0.0 Ωm…999 kΩm from 0.1 Ωm Depends on the accuracy of the RE 4p measurement, but not less than ±1 digit Earth Resistance and Soil Resistivity Meter | MRU-12
