This product is now discontinued

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SPEED 3100

Daylight-Viewable Velocity Made Easy

A large display integrates speed, Trim speed, temperature and time, as well as outputting essential NavBus and NMEA data.


  • Giant 1.5" [38mm] digits for fantastic visibility
  • NavBus connection for systemwide control of backlighting and countdown timers
  • NavBus connection for data repeat
  • Speed range: 0-50 knots/0-58 mph/0-93 km/h
  • Able to display speed from the paddle wheel sensor or from a GPS as SOGTrip and sum logs auto range to 1,999 units
  • Average and maximum speeds
  • Displays speed in knots, MPH or KPH
  • Select resolution of 0.1 or 0.01
  • Trim speed function for tuning
  • Variable damping for optimum readings in all conditions
  • Countdown timer function (from 1 to 10 min.)
  • External alarm option (visual or audible).
  • Water Temperature (0C to 37.7C /32F to 99.9F )
  • Easy calibration
  • NMEA outputs (PTTKV, vHW, MTW, vLW).
  • Supplied standard with protection cover.
  • Simple installation with Navman's through bulkhead mounting tube system.

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