Oceanographic Module

A suite of standard oceanographic instruments used to record local environmental parameters as a background for the remaining experiments on the platform. Each instrument is controlled by a central Oceanlab controller that takes readings against a pre programmed schedule.

    • Teledyne RDI 300kHz ADCP
      • Current profiles of water column above the DELOS platform
      • Long range mode
        • Range 165m
        • Depth cell size 8m
      • 2 Gbyte data storage
    • Wet labs C star Transmissometer
      • Measures total particle load in water column (includes organic matter/ sand/ sediment etc.)
        • Wavelength 660nm
        • Pathlength 25cm
        • Range 0 to 100%
        • Resolution 0.03%
        • Accuracy temperature dependent 0.02% / deg C
    • Wet labs combination fluorometer and turbidity sensor (ECO FLNTU)
      • Measures the organic matter content of the particle load identified by the transmissometer
      • Turbidity
        • Wavelength 700nm
        • Sensitivity 0.01 NTU
        • Range 0 - 25 NTU
      • Flouresence
        • Wavelength 470nm (Excitation) 685nm (emission)
        • Sensitivity 0.02 ug/l
        • Range 0.02 to 60 ug/l

Oceanographic module

  • Aanderra current meter 3820R
    • Velocity
      • Range 0 to 300 cm/s
      • Resolution 0.03 cm/s
      • Accuracy +/- 0.15 cm/s
    • Direction
      • Range 0 to 360o
      • Resolution 0.35o
      • Accuracy +/- 5o
    • Measurement range 0.4 to 2.2m
    • Acoustic frequency 2MHz
  • Aanderaa Pressure Sensor 4017E
    • Range 0 to 4000m (40Mpa)
    • Resolution +/-0.02% of full scale (0.8m)
    • Accuracy +/-0.04% of full scale (1.6m)
    • RS232 output
  • Aanderaa Conductivity Sensor 3919
    • Conductivity for calculation of seawater salinity
      • Range 0 to 75 mS/cm
      • Resolution 0.002 mS/cm
      • Accuracy +/- 0.05 mS/cm
  • Aanderaa Oxygen Sensor 3975
    • Oxygen
      • Range 0 to 500umol/l (0 to 120%)
      • Resolution < 1umol/l (0.4%)
      • Accuracy < 8umol/l (<5%)
    • Temperature
      • Range 0oC to 36oC
      • Resolution 0.01oC
      • Accuracy 0.1oC