Borehole seismometers

  • Seismometer CME-4311-BH150
    CME4311-BH150 is a 3-component broadband low-noise seismometer designed for permanent or long term installations in boreholes down to 250 meters depth both dry and flooded.
    more
    Sensitivity:
    2000 V / (m/sec)
    Clip level:
    5 mm/sec
    Noise performance:
    -155 dB (relative to 1 m/sec2√Hz)
  • Seismometer CME-4211-BH15
    CME-4211-BH15 is a 3-component inexpensive broadband seismometer designed for use in pits or post-holes down to 15 meters depth both dry and flooded.
    more
    Sensitivity:
    2000 V / (m/sec)
    or by customer specification
    Clip level:
    5 mm/sec
    Noise performance:
    -145 dB (relative to 1 m/sec2√Hz)