The LE-3D/BH(s) MkIII is the downhole version of the popular LE-3Dlite.

 LE3DBH

 

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