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Home page > Instruments and Data > The OBSs > Broad-band OBSs (BBOBS)

Broad-band OBSs (BBOBS)

by Wayne Crawford - 17 October 2011

Triaxial broadband seismometer (Trillium T240) and differential pressure gauge. Designed for passive seismology experiments but can be used for active seismic surveys. They can be deployed for up to one year at a time.

Technical Specifications

Acquisition : L-CHEAPO

  • 24 bits
  • From 30 to 1000 samples per second
  • Seascan MCXO clock
  • Power consumption : 540 mW at 250 sps and 4 canaux
  • Lithium or NiMH Batteries
  • Depth rating: 5000 meters
  • Design: Scripps Institution of Oceanography

Sensors :

  • Motion: Trillium T240 in gimballed sphere
  • Pressure: Differential Pressure Gauge

Poids de l’instrument avec le plein de batterie :

Dans l’air avec lest (68,4kg): 396 kg sans lest : 328 kg Dans l’eau avec lest : 57 kg sans lest : -2kg

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