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Instruments

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

290 Listed

  1. Simrad GS25 GPS Antenna with Heading Sensor - 000-11043-002

    $427.60
    1

  2. Davis Instruments Vantage Pro2 Wireless Weather Station with Standard Radiation Shield and WeatherLink Console - 6252

    $1,246.64

  3. Furuno Remote Display - RD33

    $973.62
    0

  4. Airmar ST800 Blanking Plug Assembly - 33-481-01

    $33.51
    1

  5. Maretron N2KView Vessel Monitoring & Control Software - N2KVIEW

    $815.38
    0

  6. Airmar Wiring Box with Screw Terminals - 33-035-BOX

    $91.67
    1

  7. Digital Yacht WindSense Wifi Wind System - ZDIGWS

    $724.43
    0

  8. Maretron GPS Antenna/Receiver - GPS200-01

    $398.18
    0

  9. Airmar Gen2 DST810/ST900/ST950 Replacement Paddlewheel - 33-HP-PADDLEWHEEL

    $43.19

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

    $1,043.64 - $1,679.24

  11. Lowrance Fuel Flow Sensor - 000-11517-001

    $307.20
    1

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

    $612.38
    0

  13. Airmar S300/ST300 Spare Paddlewheel Kit - 33-350-01

    $25.80
    1

  14. Airmar Replacement Blanking Plug Assembly with Valve - 33-482-01

    $35.40
    1

  15. B&G WS300 Wind Vane Mast Cable - 000-14397-001

    $262.41
    0

  16. Airmar Simrad P79 In-Hull Adjustable Angle Transducer - P79-BL

    $279.20
    0

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

    $551.73

  18. Airmar P65/ST69 Transducer Paddlewheel Kit - 33-398-01

    $27.90

  19. B&G Sail Performance Sensor Pack - 000-15974-001

    $2,239.25
    0

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

    $58.00

  21. Lowrance Point-1 AP GPS and Heading Antenna - 000-12930-002

    $427.61
    1

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

    $790.60
    0

  23. Furuno GPS/WAAS Navigator with GPS Antenna - GP39

    $665.63
    0

  24. Lowrance Point-1 External GPS Antenna with Heading Sensor - 000-11047-002

    $427.60
    0

  25. Veratron VDO NMEA 2000 Wind Sensor - A2C59501984

    $679.72
    2

  26. Veratron GO Receiver

    $174.46 - $309.28
    0

  27. Faria Euro Black Depth Sounder

    $319.78 - $384.18
    0

  28. Airmar Replacement Blanking Plug Assembly without Valve - 33-486-01

    $32.10
    1

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

    $315.61

  30. Standard Horizon External GPS Antenna - SCU-38

    $41.20
    0

  31. Veratron Rudder Angle Sensor

    $115.24 - $155.56
    0

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

    $32.10

  33. Airmar ST-650 Speed/Temperature Replacement Insert

    $197.61 - $210.60

  34. Airmar 200WX NMEA 0183/2000 IPX7 WeatherStation - WS-200WX-RS422

    $2,762.36

  35. Airmar P79 Replacement Mounting Base and Locking Ring - P79-FL

    $25.80
    3

  36. Airmar ST600 Blanking Plug Assembly - 20-600

    $38.75

  37. Airmar 110WX WeatherStation Instrument - WS-110WX

    $1,729.26
    0

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

    $548.58
    0

  39. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $233.70

  40. Digital Yacht DST810 NMEA2000 Triducer with BT Interface - ZDIGDST810

    $624.98

  41. Furuno WGPS/GPS Receiver - GP330B

    $595.60
    0

  42. Digital Yacht GPS Sensor/Antenna - ZDIGGPS160

    $269.38
    0

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

    $38.40

  44. Airmar P79 In-Hull Transducer - 235 kHz

    $203.60 - $601.22

  45. Simrad IS35 Digital Display - 000-13334-001

    $545.20
    0

  46. Airmar ST800 Installation Kit - 20-410-01

    $78.14

  47. Lowrance Fluid Level Sensor - 000-11518-001

    $143.38
    0
  48. 9% off

    Faria Chesapeake White SS Depth Sounder

    $297.40 - $338.00
    $297.40 - $304.26
    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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