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The i40 Speed is a compact speed instrument display and displays current, maximum and average boat speed, log trip and sea temperature. EASY TO SEE, ...
Available in black and white with a choice of bezels in different colors (black, white, chrome) and shapes. Measurement ranges: 0-14, 0-35, 0-70 (km/h, mph, kn) The new OceanLink® GPS Speedometer features an embedded GPS antenna, ...
... flexible design for versatile applications CAN capability (NMEA 2000®) Pointer for analog indication of Speed over Ground (SOG) Programmable speed alarm Fixed segment LC display Flush mount ...
... devices. By measuring speed through water (STW) farther away from the keel, the DS-85 penetrates through this noise and boundary layer resulting in a more stable and accurate speed measurement compared ...
4" 80mph Speedometer 4" 50mph Speedometer 4" 65mph Speedometer 4" 60mph Speedometer Suzuki Genuine Instruments are custom designed to provide the quality, reliability, and value that you expect from Suzuki products. All instruments ...
Smart white and red graphics on a black dial background, these very low profile bezels follow the curve of the lens to eliminate water trapping. Domed glass sheds water and resists scratching. Hottest selling black dial line! Amega ...
Veethree Electronics and Marine LLC
Well proven paddle wheel speed and distance log with giant digits for easy viewing. The Clipper Log is supplied with a through hull paddle wheel unit with 7 metres of cable – designed ...
Nasa Marine
... 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 ...
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 ...
Faria
... 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 ...
Beede Electrical Instrument
... Totally user-friendly. Getting it all in front of you. In a clean, easy-to-read gauge. Covers dozens of boat and motor functions, including speed, rpm, trim, depth, alarms, water pressure, fuel flow ...
A boat log measures the speed of the vessel through the water.
ApplicationsThese 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.
TechnologiesA 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 chooseAnalog 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.
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