| CPU | Cortex M4, clock 72 MHz |
| Analog to Digital Converter | 24 bit, 2 kHz sampling rate |
| Number of electrodes | 24 – 48 – 72 – 96 – 144 |
| Number of injected current channels | 1 channel |
| Number of potential channels | Contemporarily the maximum number of channels will be read allowed by the electrode spread (multiplexed inputs) |
| Maximum output voltage / current | Power range 800 Vdc / 3000 mA |
| Typical reading resolution of potential | ±30 nV |
| Resistivity Accuracy | 0.2 % |
| Precision | 0.2 % |
| Linearity | 0.005 % |
| Frequency response | 0 to 300 Hz |
| Measurement cycles | Composed of 2–10 square waves whose timing parameters can be completely configured by the end user |
| Cycle time | 1.5 to 16 sec. |
| Number of data samples | 1 to 2000 for every square wave |
| Default cycle | Last cycle |
| Digital nulling of SP | Yes |
| Automatic choice of electrode spread | Schlumberger, Wenner, Dipole Dipole, Pole Pole, Gradient, user defined |
| Automatic calculation of geometric factor K | A function of the electrode spread |
| Apparent Resistivity ρa | Automatic calculation and display of the data |
| Induced Polarization (IP) | Yes |
| Input Voltage | ±10 V |
| Storage | No internal storage, data are sent to the PC |
| Resistivity Accuracy | 0.2 % |
| Type of scale | mV (mV) mA (A) |
| Input impedance | > 100 MΩ |
| Temperature | -20° to +70° operating / -30° to +80° storage |
| IP Grade | 51 |
| Size | 355 × 300 × 140 mm (B × L × H) |
| Weight | 6 Kg |
