Product name:Geophysical Equipment and Underground Water Detector Conversion Electrodes:60 channels or 120 channels Measuring:Apparent resistivity and apparent polarizability Usage:Geophysical Equipment, Underground Water Detector, Geological Survey Type:Belong to Geophysical equipment Software:2D Imaging Software Certificates:CE. ISO Method:Electrical Sounding, Profiling Detetion Depth:500M Power supply:450V Show More