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  ProductsOptical Property Measurement HydroScat-4 Backscattering Sensor - Fluorometer 

HydroScat-4 Backscattering Sensor - Fluorometer

Mechanical

  • Diameter: 13.3 cm (5.25")
  • Length: 32 cm (12.6") without connectors (allow 8 cm (3.2") for mating connectors)
  • Weight: 6  kg dry, 1.6 kg submerged

Optical

  • Choose 4 backscattering wavelengths, or 3 backscattering plus one fluorescence
  • Available wavelengths: any four of: 420, 442, 470, 488, 510, 532, 550, 590, 620, 676, 700, or 852 nm
  • Spectral bandwidth: 10 nm (20 nm for 676, 40 nm for 700)
  • Nominal backcattering Angle: 140 degrees
  • Noise in bb: depending on wavelength, 2 x 10-5 to 2 x 10-4 m-1 RMS (dark noise at 1 sample/s)
  • Offset uncertainty of bb: depending on wavelength, 5 x 10-5 to 5 x 10-4 m-1

Electrical

  • Internal rechargeable batteries provide up to 15 hours continuous operation (longer in burst mode)
  • Power Supply Voltage: 12V nom, 10V min, 15Vmax
  • Power Consumption: 2.2W typical
  • Power/Data Connector: Subconn MCBH8M; Mate MCIL8F
  • Data Interface: RS232, 9600 to 57600 baud (RS485 available)

Environmental

  • Operating Temperature: 0 to 35 C
  • Maximum Depth: 330 m (500 m optional)

Data Logging

  • Standard 256K memory stores 10,000 samples of optical channels and depth.
  • Optional flash memory stores an additional 29,000 samples per megabyte (base capacity 128M).
  • Sampling intervals adjustable from 0.1s to 30,000s.
  • Continuous or burst-mode sampling controlled by real-time clock or manual switch.
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All specifications subject to change without notice.