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  ProductsOptical Property Measurement HydroScat-6P Backscattering Sensor - Fluorometer 

HydroScat-6P Backscattering Sensor - Fluorometer

Mechanical 

  • Cage Length: 37.1 cm (14.6") (allow 8 cm for mating connectors)
  • Cage ends: acetal hexagon 24.1 cm (9.5") across flats
  • Cage rods: type 316 stainless steel, 12.5 cm (0.5") diameter, arranged on 25.2 cm (9.92") diameter
  • Cylinder Diameter: 20.3 cm (8")
  • Weight: 18.4 kg dry, 5 kg submerged
 

Optical

  • Standard wavelengths: 420, 442, 470, 510, 590 and 700 nm
  • Other available wavelengths: 488, 532, 550, 620, 676, 700, 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 20 hours continuous operation (longer in burst mode)
  • Power Supply Voltage: 12V nom, 10V min, 15Vmax
  • Power Consumption: 3W max
  • Power/Data Connector: Subconn MCBH8M; Mate MCIL8F (see manual for connector configurations of older instruments)
  • Pin Assignments:
    • Pin 1: External supply voltage (10-15V)
    • Pin 2: Common
    • Pin 3: RS232 Receive
    • Pin 4: RS232 Transmit
    • Pin 5: Battery charge voltage (24V @ 2A)
    • Pin 6: Reserved
    • Pin 7: Reserved
    • Pin 8: Battery Disable
  • Data Interface: RS232 (RS485 optional), 9600 to 57600 baud

Environmental

  • Operating Temperature: 0 to 35 C
  • Maximum Depth: 300 m (500m option available)

Data Logging

  • Standard 256K memory stores 7,000 samples of optical channels and depth.
  • Optional flash memory stores an additional 29,000 samples per megabyte.
  • 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.