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HydroScat-4 Specifications
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- Diameter: 12.7 cm (5")
- Length: 32 cm (12.6") without connectors (allow 8 cm (3.2") for mating connectors)
- Weight:
6 kg dry, 1.6 kg submerged
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- Available wavelengths: any four of: 420, 442, 470, 488, 510, 532, 555, 589, 620, 671, 676, or 852 nm
- Spectral bandwidth: 10 nm
- 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
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- 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
- 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 (18-24V)
- Pin 6: Reserved
- Pin 7: Reserved
- Pin 8: Battery Disable
- Data Interface: RS232, 9600 to 57600 baud (RS485 available)
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- Operating Temperature: 0 to 35 C
- Maximum Depth: 300 m
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- Standard 256K memory stores 10,000 samples of optical channels and depth.
- Optional flash memory stores an additional
29,000 samples per megabyte (capacities up to 64 MB).
- 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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