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blackrule
mechanical
  • Diameter: 11.7 cm (4.6")
  • Length: 23cm (9.1") excluding connector
  • Weight: 4.0 kg dry, 1.5 kg submerged

optical
  • tandard wavelengths: 470, 676 nm (2 channels elastic backscattering and 1 channel fluorescence)
  • Available wavelengths: 442, 470, 488, 510, 532, 555, 590, 620, 671, 676, or 852 nm
  • Spectral Bandwidth: 10 nm (676 nm bandwith is 20 nm)
  • Nominal Backcattering Angle: 140 degrees

electrical
  • Internal rechargeable batteries provide up to 20 hours continuous operation
  • Optional external power supply: 10V to 15V, 1.0W typical
  • Power/Data Connector: Subconn MCBH8M; Mate MCIL8F
  • Pin Assignments:
    • Pin 1: External supply voltage (9-15V)
    • Pin 2: Common
    • Pin 3: RS232 Receive
    • Pin 4: RS232 Transmit
    • Pin 5: Battery charge voltage (18-24V)
    • Pin 6: Reserved for analog input
    • Pin 7: Reserved for digital I/O
    • Pin 8: Battery Disable (not connected on older units)
  • Data Interface: RS232, 9600 baud (RS485 & other baud rates available)

environmental
  • Operating Temperature: 0 to 35 C
  • Maximum Depth: 300 m (500 m option available; 4,000 m option available June 2000)

datalogging
  • Standard 256K memory stores 14,000 samples of optical channels and depth (1 MB memory option available).
  • Variable, programmable sampling rates.
  • Max sampling rate 10 Hz.
  • Continuous or burst-mode sampling controlled by real-time clock or manual switch.