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MD77SPD Vessel Speed Indicator Display

SKU: MNE-0035

The MD77SPD is a Vessel Speed Indicator Display. A NMEA-based Vessel Speed Indicator with an analogue display from 0 to 40 knots, housed in a robust aluminium enclosure with an illuminated pointer.


The MD77SPD is a NMEA-based Vessel Speed Indicator housed in a robust, compact aluminium enclosure. Fitted with dimmer control pushbuttons for background and pointer illumination, it is ideal for any vessel.

The MD77SPD provides a clear and easily read analogue display graduated in 0.5-knot increments from 0 to 40 knots.

Compact and rugged, the MD77SPD offers a solution for locations where the available space is limited and may be either bulkhead or panel mounted.

Finished in jet black to complement other marine navigation equipment.

The MD77SPD from Marine Data is flexible in application, easy to install and maintain.


  • Displays Vessel Speed through the Water
  • Clear and Easily Read Dial Display
  • Panel or Bulkhead Mountable
  • Accepts NMEA 0183 Data
  • Dimming Control; White Illumination
  • Custom Speed Ranges and Units Available


The MD77SPD is designed to display Water Speed Data transmitted from marine equipment compatible with the NMEA 0183 data protocol, VHW sentence.


This product is an example of a baseline specification we do not currently stock as a standard product. Please contact us with your project-specific requirements, and we can discuss opportunities to provide a bespoke solution.


  • Panel Mounting Kit (Supplied)
  • Bulkhead Bracket Mounting Kit
  • Remote Dimmer Control (0-24 V dc)


By Marine Data

MD77SPD Data Sheet