FIELD: soil or rock drilling; mining.
SUBSTANCE: use: to detect hazardous geological processes. Essence of the invention consists in the fact that the system of electro-tomographic monitoring includes at least one set of supply electrodes connected to each other at least one set of receiving electrodes connected to each other, at least one set of feeding switches, power input of each of which is corresponding to input of each of supply electrodes, at least one set of receiving switches, measuring output of each of which is the corresponding output of each of the receiving electrodes, a high-voltage excitation unit, which includes a high-voltage generator and a current measuring device connected in series, and a unit for receiving electrical signals and control.
EFFECT: technical result is enabling improvement of accuracy of measurements and interpretation of obtained results in conditions of both short-term and long-term continuous use of system under any climatic conditions.
6 cl, 6 dwg
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