Multichannel Acquistion System I

 
 

 

  • Manufacturer: SERCEL®
  • Acquisition Software: SEAL® 408XL
  • File format: SEG‐D Rev. 1.0 o 2.1 demultiplexed. 4byte, 32 bit IEEE
  • Sampling rates: 0.25, 0.5, 1, 2 o 4 ms
  • Data Export: FTP or NFS protocol
  • Maximum recording capacity per streamer with telemetry redundancy: 960channels @ 12.5 m, 2 ms
  • Maximum record length: 99 s
  • Section Low Cut Filter Analog 3 Hz (@ 20°C, 1 bar matching ± 5%)
  • Start recording: Internal trigger or external trigger from Navigation System
  • Auxiliary channels: 8 (CTB, WB, 6 hydrophones)
  • Global architecture:
    • Redundant data transmission modes
    • Data transmission reconfiguration on line failure.
    • Digitalization: 24 bit, Sigma /Delta Individual A/D converter per channel
    • Fully integrated acquisition system.
  • Graphic user interface (GUI):
    • UNIX, X11
    • Full object oriented interface
    • Multiple screens (up to 4)
  • Control Module (CMXL):
    • Max. number of channels in real time: 7500
    • Flow of acquired data management between the streamers and the various recording and peripheral devices via SCSI and Ethernet
  • Navigation header:
    • Type: SPECTRA

  

SERCEL®