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 |