Ocean Bottom Seismometer CME-4311-OBS

CME-4311-OBS

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Description

Seismometer CME-4311-OBS is specifically adapted for ocean bottom applications and is a version of CME-4311. This model shares the main technical parameters with the corresponding regular unit but has a specially designed compact lightweight case, a flat flexible signal cable, and consumes less power. Specially designed hardware allows the seismometer to be installed inside titanium or glass waterproof spheres usually used in ocean bottom installations.

FIELDS OF APPLICATION

  • SEISMIC MONITORING NETWORKS
  • WEAK MOTION MEASUREMENTS
  • SEISMOLOGICAL RESEARCH
  • EARTHQUAKE DETECTION AND MEASUREMENT
  • OCEAN BOTTOM SEISMIC NETWORKS

Spesification

Spesification
Frequency range0.016 Hz (60 sec) - 50 Hz
Sensitivity2000 V/(m/sec)
Self noise at 1 Hz2.8 nm/sec (5.6 µV)
Sensitivity axesVertical, North, East
Supply voltage12 V Nominal (10.5-16 V permissible)
Power consumption8 mA
Temperature range-40...+55°C
Maximum installation tilt±15°
Dimensions162 x 115 mm (diameter x height)
Weight3.1 kg
Case materialStainless steel, aluminum
Max. underwater depthdetermined by the external housing
Cross-axes sensitivity-60 dB
Cold-start time15 - 30 min

Features

  • Frequency Range: 0.016 Hz (60 Sec) – 50 Hz
  • Sensitivity: 2000 V / (m/sec)
  • Noise Level (1 Hz): 2.8 nm / Sec (5.6 uV)
  • Dynamic Range: 123.5 dB @ 1 Hz
  • High Performance
  • Compact Design
  • Low Power

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