Portable low-cost measurement system development for self-potential (SP) monitoring in severe environmental conditions

In the field of environmental sciences self-potential (SP) data are generally considered as promising and reliable to investigate subsurface properties, especially for their ease of acquisition and simplicity in making qualitative interpretations. Self-potential is a passive method consisting in the measurement of the electric potential at a set of measurements stations. SP anomalies usually indicate the presence of a source of current in the ground due to subsurface disturbances. In order to fulfill such requirements we developed a measurement setup with the main advantages of being portable, low cost, rugged, sufficiently accurate and optimized for low power consumption.