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  DST-2-200 Depth Sounder Module/Interface
DST-2-200 Depth Sounder Module/Interface
 
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Product Code: AS01.00017
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Description Technical Specs Extended Information
 
Breathe new digital life into your old and new transducers. The market leading active sensor in a module case to allow use with existing transducers already fitted to a vessel. Digitizes Depth, Speed and Temperature transducer signals into NMEA data. Ideal for operation with any NMEA 0183 instrument - e.g. chart plotters and radars.

* Depth frequency of 200 kHz
* Depth performance 0.3 m to 200 m, 0.01m resolution
* Speed/Log sensor 0.5 kn to 50 kn, 0.01kn resolution
* Temperature sensor -20°C to +40°C, 0.01°C resolution
* NMEA 0183 data output once / second
* Flash upgradeable / 'future-proof' design
Features & Benefits
  • Designed for use with most existing analogue transducers already fitted to a vessel, or new analogue transducers.
  • Our industry proven depth sounder algorithm has the best-in-class seabed tracking, and when in conjunction with a good quality depth transducer, can track the seabed down to 0.3m or 1 foot (proven with Airmar transducers).
  • 100W peak depth power enables a maximum depth range of 200m or 660 feet under optimum conditions (proven with Airmar transducers).
  • 200 KHz depth transducer frequency to match most existing transducers.
  • For enhanced interference rejection (from other sounders), a 235 KHz capable module is also available.
  • Log transducer and temperature thermistor interfaces allow additional data to be provided over the NMEA data stream, giving a cable saving.
  • Easy reprogramming of the DST module’s software is possible, to include the very latest software enhancements or customizations.
  • The DST module’s data interface is configured for NMEA 0183, but can operate as a fully bi-directional RS485 interface for customized applications, such as an on-board multiple depth sounder network.
  • Powerful digital signal processor. A high-speed microcontroller capable of 10 million instructions per second, and a large memory to handle the advanced digital signal processing techniques required to calculate the depth of water below the vesel, vessel speed, distance travelled and water temperature.
  • Class leading depth performance. Depth performance in a class of its own, with an industry leading shallow depth capability of just 0.3 metres / 1 foot (below 10 knots), and a maximum depth of 200 metres (depending on the transducer type).
  • Proven depth algorithm. The depth processing algorithms have been fine-tuned over an 6 year period and represent the best-in-class available for calculating the correct depth, even under difficult conditions - at speed, with layers of algae, turbulence and interference from other vessels.
  • Optional depth frequencies. Three variations of the module are available to match an existing depth tranducer's frequency - 150kHz, 200kHz or 235kHz.
  • Speed tracking algorithm. Speed calculations can accurately track even the smallest changes in vessel speed, with a resolution of 0.1 knots.
  • Temperature algorithm. A thermistor can precisely measure the water temperature around the transducer, with a 0.1°C resolution.
  • Transducer interfaces.
  • * Depth: connects to a standard piezoelectric depth transducer crystal element using a three-wire interface.
  • * Speed: connects to a standard 'paddle-wheel' hall-effect speed transducer using a three-wire interface.
  • * Temperature: connects to a standard metal case thermistor transducer using a two-wire interface.
  • IP66/IP68 case and grommet design. A robust polycarbonate case with a high waterproof certification. The small case size is ideal for space restrictive applications.
  • High quality angled screw terminals. The 'moving cage' type terminals make cable installation a simple and quick operation.
  • NMEA 0183 full-differential output driver. Can drive up to 4 fully compliant NMEA 0183 device loads, with a 10mA (maximum) drive capability. The full-differential output ensures better quality communications and lower noise emissions on unshielded twisted pair cabling. Simply wire to a device capable of showing NMEA information to view all the NMEA data.
  • NMEA 0183 sentences output. Depth (DBT and DPT), Speed (VHW), Distance Log (VLW) and Water Temperature (MTW) sentences are output once per second.
  • Wide battery input voltage range. For maximum compatibility, any battery supply between 11 and 28 volts can be used.
  • Very low current consumption. Ideal for small vessels with small batteries.
  • Customize service available. Actisense™ offers a full user configuration service for the Active DST Module range. The module can be fine tuned to match each customer's individual requirements - be they different Baud rates, faster/slower data output rates, and/or specific data output formats, or even a different depth frequency.


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