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NASA Marine Clipper Duet

Best selling combined Speed/Distance Log and Echo Sounder in standard 110mm square size. Suitable for open cockpit mounting.

As with all Nasa instruments - it is excellent value too.


  • Depth Sounder in feet and metres.
  • Shallow Alarm and Keel Offset.
  • Complete with well proven Transducers.
  • Speed in MPH , Knots and Km/H.
  • Trip and Total Distance in Miles, Nautical Miles and Kilometres.
  • Speed Limit Alarm
Pack Dimensions:
  • Depth: 8.5 cm
  • Length: 25.0 cm
  • Width: 20.0 cm
  • Weight: 1.4 kg

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