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Instruments

Depth Instruments Instrument Transducers & Sensors Instrument Display Mounts & Accessories Multifunction Instruments Weather Stations Speed Instruments Wind Instruments

293 Listed

  1. Airmar ST850 Blanking Plug Assembly - 33-522-01

    $45.63

  2. Airmar ST-650 Speed/Temperature Replacement Insert

    $194.79 - $207.60

  3. Airmar 110WX NMEA 0183/2000 WeatherStation - WS-110WX-RH

    $1,793.74

  4. Airmar B122 Long Stem Thru-Hull Smart Multisensor - 235 kHz

    $1,028.74 - $1,655.26

  5. Davis Instruments Vantage Vue Wireless Weather Station with WeatherLink Console - 6242

    $963.86

  6. Furuno Remote Display - RD33

    $959.72
    0

  7. Airmar P79 In-Hull Transducer O-Ring - 09-518-18

    $6.60
    5

  8. Airmar ST-550/100 Spare Wheel Kit - 33-108

    $28.54

  9. Airmar NMEA 0183 Plastic Tilted Element Smart Sensor - 235 kHz

    $1,208.12

  10. Airmar P79 In-Hull Transducer - 235 kHz

    $200.70 - $592.64

  11. Airmar P39 Transom Mount Smart Sensor - P39-DT-N2

    $543.86

  12. Airmar SS617V Stainless Low-Profile Housing with Integrated Valve - 33-617-01

    $311.11

  13. Airmar D800 Plastic Retractable Thru-Hull Transducer - 170kHz - D800P-170-BG

    $321.47

  14. Furuno Airmar DST810 Smart Multi Sensor - DST-810MSF

    $540.75
    0

  15. Digital Yacht GPS Sensor/Antenna - ZDIGGPS160

    $254.50
    1

  16. Digital Yacht WindSense Wifi Wind System - ZDIGWS

    $714.09
    0

  17. Airmar DT800 Bronze Installation Kit - 20-398-02

    $230.60

  18. Airmar P317 Plastic Taper-Flush Housing - 33-092-01

    $31.65

  19. Airmar B17 Bronze Housing - 33-100

    $166.20

  20. Airmar ST-200 Spare Wheel Kit - 33-114

    $26.82

  21. Airmar ST300 Shorty Blanking Plug Assembly - 33-386-01

    $39.24

  22. Airmar ST850 Paddlewheel & Valve Kit - 33-536-01

    $57.18

  23. Digital Yacht iSeaSense Wireless Speed/Depth/Temperature Instrument Pack - ZDIGISSPK1

    $996.97

  24. Maptech Navigation USB GPS Receiver - MTUSBGPS

    $131.68
    0

  25. Airmar DX900 Installation Kit and Housing - 20-1256-01

    $104.10

  26. Airmar 33-108 Wheel Kit Replacement Paddlewheel - 20-301-01

    $25.44

  27. Airmar S63/P37/P52 Spare Wheel Kit - 33-110

    $32.34

  28. Airmar Shorty Sensor Speed/Temperature Low-Profile Housing - 33-361-01

    $42.00

  29. Airmar P39 Replacement Bracket Kit - 33-477-01

    $31.65
    1

  30. Airmar P8 Retractable Shorty Series Depth Sensor - P8-200-0

    $233.82

  31. Faria Chesapeake Black SS Dual Depth/Temp Sounder with Transducer - 13752

    $431.16

  32. B&G Nemesis Sailing Display Hub - 000-15683-001

    $592.62
    0

  33. Maretron Depth/Speed/Temperature Retractable Smart Triducer - DST110-01

    $551.20
    0

  34. Airmar 33-108 Spares Kit O-Ring - 09-146

    $6.90

  35. Airmar DX900+ Thru-Hull Smart Electromagnetic Speed Sensor - DX900-ST-0

    $1,655.24

  36. Airmar P39 Transom Wheel Assembly - 33-473-01

    $32.34
    1

  37. Airmar WeatherStation Cable Extension Adapter

    $9.91 - $15.09

  38. Airmar S63 Transom Mount Speed Sensor - S63-0

    $57.18

  39. Airmar B122 B&G Replacement Plastic Insert - B122-170-INS-BG

    $464.88

  40. Faria Universal Pitot Kit - 91109

    $20.10

  41. Scout GPS/GLONASS Antenna - 3" (7 cm) - NAV-6

    $144.10
    1

  42. Lowrance Temperature Sensor - 000-11520-001

    $151.00
    0
  43. 15% off

    Lowrance Thru-Hull Temperature Sensor - 000-11521-001

    $137.20
    $116.09
    0

  44. Veratron Ocean Link TFT Multifunction Display - 4.3" - A2C1352150001

    $1,085.86
    0
  45. 14% off

    Veratron GO Receiver

    $189.75 - $424.62
    $161.38 - $424.62
    0

  46. Veratron LinkUp Intelligent Battery Sensor - B00043901

    $206.65
    0

  47. B&G 20/20HV 3-Way Mast Bracket - BGH220013

    $358.04
    0

  48. Furuno GPS Antenna - GPA017

    $192.42
    0
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About Instruments

Marine Instruments

Sailing navigation is made easy with a variety of electronics offered by Defender. Marine navigation tools, bundles, and a full line of accessories cover all boat navigation needs. Multifunction marine instruments offer an alternative when installation space and budget are tight.

Which marine instruments are important to sailing?

Anyone on the water can benefit from as much information as possible but it could be argued that sailing navigation and wind indicators are the essentials to skippers on sailboats. Depth finders and speed monitors might be seen as sailing frivolity, but any sailor would be happy to have these marine instruments in their electronics package.

Sailing into the wind

Technically there is no such thing. Sailing directly into the wind cuts down the angle and doesn't allow the sails to capture the wind, which propels the boat. Here's where sailing navigation tools and packages come into play. Wind indicators monitor the strength and direction of the wind while navigating correctly to capture the wind is essential.

How to navigate your cruise

Here's where depth finders, plotters, and temperature gauges become a more important part of your sailing navigation package. Cruising on your sailboat means less about wind and more about other boats, obstacles, and, of course, finding your way home. Defender Marine offers full sailboat navigation packages and multifunction marine electronics units for the family sailboat and the competitive team!

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