your source for geophysical instruments
A range of ERT imaging systems with varying power outputs, up to 10 simultaneous channels, and switching capacity of up to 2000 electrodes.
2 channels. 400V, 100W, 1.25A. Available with up to 72 electrodes.
10 channels. 1000V, 250W, 2.5A. Available with up to 120 electrodes.