The LE-3D/BH(s) MkIII is the downhole version of the popular LE-3Dlite.
| Eigenperiod | 1 second |
| Upper frequency limit | 100 Hz |
| Transduction factor | 800 V/m/s (differentiall) |
| Output signal | 3 analog voltages, max. +- 7V |
| Power supply | +10 ... +16V DC, typically 6 mA @12 V |
| Dimensions | 62 mm diameter, 880 or 1080 mm length |
| Weight | 9 kg |
| Temperature range | -15 ... +60 °C |
| RMS noise @ 1 Hz | < 1 nm/s |
| Dynamic range | > 136 dB |
