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boat speed log / analog
boat speed log
Black Premier

White and blue graphics on a black background makes Premier style gauges a smart choice for all modern and traditional boats. Automotive style lighting provides outstanding readability at night eliminating the “halo” ...

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Veethree Electronics and Marine LLC
boat speed log / analog
boat speed log
Black Sterling

With its rich luster and polish, Black Sterling instruments convey a look of utmost sophistication and add elegance to any dash. These instruments have fire-orange pointer tips and white graphics for a contemporary, ultra stylish look. ...

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Veethree Electronics and Marine LLC
boat speed log / analog
boat speed log
Eclipse

Smart white and blue graphics on a black dial background, these very low profile bezels follow the curve of the lense to eliminate water trapping. Design with domed glass, it sheds water and resists scratching.

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Veethree Electronics and Marine LLC
boat speed log / digital
boat speed log
i40

... Built-in transducer interface Same footprint as the older Raymarine ST40 instrumentation i40 Speed Shows current, maximum and average boat speed, log trip ...

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Raymarine
boat speed log / digital
boat speed log
JLN-720

Accurate ships speed and distance with your fingertip operation Comply with IEC 61023(Ed.3), SDME standards for the ships of 50,000GT and greater Provide ship speed with high accuracy 0.02kn or 0.2% Offers ...

boat speed log / analog
boat speed log
99105-80002

Speedometers, Tachometers, Fuel Gauges, Water Pressure Gauges, and Water Pressure Gauge Installation Kits. Trim Gauges, Hour Meters, Voltmeters, Monitor Gauge, Dual Engine Synchronizer Gauge, Serial Indicators and Monitoring System.

boat speed log / digital
boat speed log

Digital Multifunction Speedometer displays speed, trip distance, time, fuel level, low-fuel warning and battery voltage/warning.

boat speed log / analog / digital
boat speed log
A2C5950198X

This multifunctional gauge with segment display is intended for use in the marine market in open boats. Based on the ViewLine housing concept, the cluster provides an ideal IP protection class, a modern ...

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VDO - A Trademark of the Continental Corporation
boat speed log / analog / digital
boat speed log
SGP012

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Beede Electrical Instrument
boat speed log / digital
boat speed log
SLT110

... digital instrumentation for boat speed, distance traveled, water temperature, elapsed time and provides a race timer that can be pre-set to two different (pre-programmable) values. The SLT110 displays ...

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Cruzpro
boat speed log / digital / analog
boat speed log
IGPS-xx-30 series

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Wema System
boat speed log / analog
boat speed log
4500

4500 3 3/8 MECHANICAL DRY SPEEDOMETER 45 MPH WHITE 3 3/8 MECHANICAL DRY SPEEDOMETER 45 MPH WHITE Reference: 4500 $132.50

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Gaffrig
boat speed log / digital
boat speed log
# 610100

... manual. Speed data can be output in NMEA0183 format, if required. Bright yellow LED-pointer around face of display shows amplified speed without delay: once round for each knot. The digital LCD ...

boat speed log / digital
boat speed log

Well proven paddlewheel speed and distance log with giant digits for easy viewing. Supplied complete with display unit, paddlewheel sensor with 7 metres of cable, weather cover and blanking cap.

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Nasa Marine
boat speed log / digital / wireless
boat speed log
SPEEDPUCK

... SpeedPuck calculates your speed by measuring the Doppler shift in GPS signals to provide you with an updated reading every half-second. The SpeedPuck never needs to be calibrated and maintains uniform accuracy at all ...

boat speed log / analog
boat speed log
SG0007

Electronic speedometers operate by capturing pulses produced by a sensor. the pulses are then electronically converted to a speed reading very much like a tachometer converts ignition pulses to RPM. Pitot tube type speedometers ...

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Faria
boat speed log / digital / analog
boat speed log
SC100 / SC1000

At-a-glance boat and motor information. All of it. Everything. In plain, simple language. Fully functional. Totally user-friendly. Getting it all in front of you. In a clean, easy-to-read gauge. Covers dozens of boat ...

How to choose this product

boat-speed-log

A boat log measures the speed of the vessel through the water.

Applications

These devices are particularly useful on sailboats for dead reckoning, racing, sail trim and measuring the speed of currents via comparison with the GPS speed. On power vessels, they can be used to avoid exceeding speed limits in designated areas.

Technologies

A rotating paddle wheel or an ultrasound sensor is attached to the hull bottom. It sends data to an analog guage with a needle or a digital LCD screen. Some versions are wireless, including those featuring wristband displays.

How to choose

Analog dials lack accuracy at low-to-moderate speeds, making them less suitable for sailboats. Log readout is often one element of a multifunction console.

Using instruments of the same brand will facilitate communication among the depth sounder, GPS, autopilot, anemometer and other devices. Otherwise, the log should be compatible with NMEA standard 183 or, better yet, 2000. Matching the log readout design to the rest of the instrument cluster on a power boat also should be considered.