Skipper DL 850

The Skipper DL 850 is a dual axis speed log, working on the Doppler principle, providing longitudinal and fore/aft transversal ship speed relative to the seabed or the water. The DL 850 can always measure the speed of the vessel through the water and over the bottom nearing 150 m of water (270 kHz version). The system includes a single sensor mounted in a Tank or Sea Valve, and using the vessels gyro, can predict the vessels longitudinal and transversal movement anywhere on the vessel. The DL 850 provides accurate navigation parameters measured as they happen, and presented in a logical, user friendly way.

Doppler technology is commonly considered the gold standard of speed measurement as it measures remotely, away from the effects caused by the vessel itself. The Skipper DL 850 presents the critical parameters on screen and can be interfaced with bridge systems and repeaters. It can also present depth, water temperature and ROT parameters.

Skipper DL 850
Skipper DL 850


  • Speed over ground
  • Speed through water
  • Depth* and water temperature
  • Interfaces – NMEA 0183, Pulse and Analogue outputs
  • Display – LCD 10.4” with full night dimming, day/night presets
  • Easy to use navigation display – integrated menus and softkeys
  • On screen diagnostics
  • Logging functions
  • Mounting options – Tank, Sea Valve for single or double bottom hull designs

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