| Parts | Dimension |
| Probe diameter | 106 mm |
| Probe length | 900 mm |
| Probe weight | 27 kg |
| Specific gravity of probe | 3.5 |
| Number of component | 4 |
| Sensitivity | 4 × 10−9/mV |
| Noise | 0.03 mV |
| Linearity | Approximately equal to 1% |
| Bandwidth | 100 Hz |
| Self stability | 10−7/year |
| Inconsistency of sensitivity coefficient of the four elements | less than 1% |
| Calibration range | 7 × 10−8 |
| (Non-zero) adjustment range | ±10−5 |
| Mechanical zero amplitude | 1 × 10−3 |
| Underground instrument power | 0.2 w |