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Instruments

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

179 Listed

  1. Airmar ST600 Blanking Plug Assembly - 20-600

    $39.02

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

    $32.32

  3. Airmar P17 Plastic Low-Profile Housing - 33-417

    $32.32

  4. Airmar ST-650 Speed/Temperature Replacement Insert

    $199.01 - $212.10

  5. Airmar P79 In-Hull Transducer - 235 kHz

    $205.05 - $605.51

  6. Furuno DT-800 Bronze Depth/Temperature Thru-Hull Smart Sensor - DT-800MSF

    $546.29
    0

  7. Digital Yacht GPS Sensor/Antenna - ZDIGGPS160

    $260.02
    1

  8. SI-TEX External GPS Antenna - MDA-1-ANT

    $162.73
    0

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

    $6.73
    5

  10. Airmar B17 Bronze Housing - 33-100

    $169.80

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

    $27.39

  12. Airmar Raymarine ST600 Spare Wheel Kit - 33-250

    $38.67
    1

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

    $40.08

  14. Furuno Remote Display - RD33

    $980.57
    0

  15. Davis Instruments Weather Station Mounting Pole Kit - 7717

    $145.83

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

    $605.49
    0

  17. Faria Transom Mount Depth Transducer - SN2011

    $217.72

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

    $7.04

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

    $29.15

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

    $33.03

  21. Airmar P217 Plastic Flush Mount Housing - 33-217

    $32.32

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

    $33.03
    1

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

    $32.32
    1

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

    $58.41

  25. Faria Dress White Depth Sounder

    $371.41 - $416.53
    0

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

    $147.22
    1

  27. Airmar UST850 Thru-Hull Ultrasonic Smart Multisensor

    $2,055.00 - $2,341.23
    0

  28. Veratron LinkUp Intelligent Battery Sensor - B00043901

    $211.13
    0
  29. 14% off

    Veratron GO Receiver

    $193.87 - $433.83
    $164.88 - $433.83
    0

  30. Airmar B122 Low-Profile Flange Adapter Ring - 33-634-02

    $32.32

  31. Digital Yacht WND100 Wind Transducer - ZDIGWND100

    $590.01

  32. Faria Universal Pitot Kit - 91109

    $21.80
    1

  33. Airmar P79 Replacement Screw Pack - P79-SCREWPACK

    $6.42

  34. Airmar 33-114 Spares Kit O-Ring - 09-145

    $6.84

  35. Airmar B17/B617/DT800 Replacement Rubber Washer - 09-452

    $5.89
    1

  36. Airmar 33-113/33-114 Paddle Wheel Kit Replacement Shaft - 01-088-5

    $8.37

  37. Furuno P79 In-Hull Adjustable-Angle Smart Sensor - 235-IHF

    $519.50
    0

  38. Simrad IS42 Speed/Depth Pack with DST810 Smart Sensor Transducer - 000-13293-002

    $1,554.47
    0

  39. Simrad IS42J Digital Engine Multi Gauge - NMEA 2000 Compatible - 000-14479-001

    $1,302.04
    0

  40. SI-TEX P79 In-Hull Adjustable Angle Transducer - 494/50/200-ES

    $306.57
    0

  41. Veratron Sailboat Navigation Kit Plus - A2C1352150003

    $4,202.32
    0

  42. Veratron LinkUp Intelligent Temperature & Pressure Sensor - B00070501

    $338.41
    0

  43. Veratron Ocean Link TFT Multifunction Display - 7" - A2C1865330001

    $2,004.22
    0

  44. Veratron VDO Acqualink TFT Display - 7" - A2C59501997

    $2,004.25
    0

  45. Veratron AcquaLink TFT Display Bezel - 7" - A2C3995200001

    $53.64
    0
  46. 68% off

    Veratron AquaLink NavControl Display Bezel - A2C3997600001

    $24.70
    $7.83
    0

  47. Veratron OceanLink TFT Display Bezel - 7" - A2C1697540001

    $50.22
    0

  48. Digital Yacht GPS160 TriNav GPS Positioning Sensor with Furuno Output - ZDIGGPS160F

    $399.61
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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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