Easy way to measure earthing and soil
 
The Sonel MRU-12 earth resistance and soil resistivity meter is a simple meter that allows you to measure grounding by the use of the technical method (3-pole and 4-wire) and soil resistivity by Wenner and Schlumberger method. The instrument is easy to handle, resistive to interference, and highly accurate.
 
MRU-12 is a basic device that allows for checking the quality of the grounding system on the basis of the received measurement result. Its ergonomic shape, durable and firm housing, as well as big and clear display make this instrument ideal to use both in the field and most working environments.
 
The device is simple to operate and intuitive. It is the best choice for electrical installations contractors, technicians, and professionals dealing with grounding measurements.
 
Measurement methods
3-pole and 4-wire method – measurement of earthing systems using auxiliary probes
2-pole method
Earth resistivity – Wenner and Schlumberger method
Additional features
Resistance of auxiliary electrodes RH and RS
Measurement of interference voltage to 100 V
Indication of battery state
Selection of maximum measuring voltage (25 V and 50 V)
Auto-OFF function
In ground resistivity measurements, distances between electrodes can be input in meters (m) or feet (ft)
Memory of 990 measurement results (10 banks of 99 cells each)