SC40 – SVP BRST: Sea surface temperature and depth measurement

The SC40 drifters are designed to monitor sea surface temperature and depth measurements. This product was developed within requirements of the Copernicus TRUSTED project.

Main features:

 Very simple to use

 In option: “holey socks drogue” and various length of line

 Easy BT connection for parameters setting

 Lithium and alkaline battery solutions

 40cm diameter spherical buoy

 Based on our WiSens technology

The data provided by the SC40 – SVP BRST will serve as calibration and validation of accurate satellite HRSST retrievals from the Copernicus Sentinel-3 SLSTR. The project will further assess the suitability of drifting buoys to provide Fiducial Reference Measurements.

Datasheet

Features and benefits

  • Very simple to use
  • In option “holey socks drogue” and various length of line
  • Easy BT connection for parameters setting
  • Lithium and alkaline battery solututions
  • 40 cm diameter spherical buoy
  • Sea Surface Temperature Sensor (SST)
  • Barometric Pressure sensor
  • Drogue presence sensor
  • High Resolution Sea Surface Temperature sensor (HRSST)
  • IRIDIUM satellite
  • Examples of use

  • In the Trusted project: calibration and validation of accurate satellite HRSST retrievals from the Copernicus Sentinel-3 SLSTR.
  • Sensors

  • Temperature Sensor (HRSST)
  • Depth Sensor
  • Barometric Pressure Sensor
  • Analog Sea Surface Temperature (SST)
  • Drogue indicator
  • Technical data

  • Transmitter: 9602 iridium modem
  • Antenna: Helicoidal for Iridium Patch for GPS
  • GPS & position:
    Receiver: 72 channels, code CA
    Acquisition period: from 5 minutes to 10 days (1 typical hour)
    Accuracy: typical < 10 meters
  • Transmission:
    Period: from 5 minutes to 10 days
    Messages: 11 fixes in one SBD (optional)
  • Temperature Sensor (HRSST):
    Accuracy / Resolution: +/-0.005°C / 0.001°C
    Range: -2°C to +35°C
    Temperature sensor position: -15 cm
  • Depth Sensor:
    Accuracy / Resolution: 0.15% / 0.5 mm
    Range: 0 to 30 dBar
  • Barometric Pressure Sensor:
    Range: 800…1100hPA
    Accuracy: +/–0.3hPA at +20°C
  • Analog Sea Surface Temperature (SST):
    Accuracy: <+/-0.1°C
  • Drogue indicatorl: Gauge sensor
  • Drogue: in compliance with DBCP drag ratio >40
    Drogue (option): holey socks 0.6 m length 5 meters
    Line (option): drogue centered at 15 m
  • Battery & autonomy:
    Technology: alkaline
    Capacity: 72 Ah
    Autonomy: according parameters setting > 1.5 year
  • Environmental features:
    Operating temperature: -20°C to +50°C
    Storage temperature: -10°C to +25°C for optimum battery shelf life
    Water tightness: 10 dbars