your source for geophysical instruments
The injection of electrical current into the ground to measure the chargeability and resistivity of the subsurface and define its structure.
10 channel receiver with 20 programmable windows and full waveform capability.
2 channels. 600V, 200W, 2.5A. For medium-depth exploration.
10 channels. 1000V, 250W, 2.5A. For deeper exploration.