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

292 Listed

  1. 9% off

    Furuno Airmar DST810 Smart Multi Sensor - DST-810MSF

    $581.54
    $523.45
    0

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

    $453.22
    1

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

    $444.75

  4. Furuno Weather Station - 200WX

    $1,741.95
    0

  5. Veratron VDO NMEA 2000 Wind Sensor - A2C59501984

    $953.74
    2

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

    $588.55
    0

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

    $33.75
    2

  8. Airmar ST300 Thru-Hull Shorty Speed/Temperature Sensor - ST300-FISO

    $153.72

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

    $281.19
    0

  10. Lowrance Speed Sensor Pack - 000-11519-001

    $154.27
    0

  11. Airmar ST300 Replacement Insert - ST300-INS-0

    $131.02
    1

  12. Faria Chesapeake Black SS Depth Sounder

    $340.41 - $377.07
    1

  13. B&G Triton2 Speed/Depth Pack with DST810 Smart Sensor Transducer - 000-13298-002

    $1,554.47
    0

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

    $1,741.61
    0

  15. Veratron Rudder Angle Sensor

    $161.51 - $218.10
    1

  16. Simrad DST-810 N2K Bronze Triducer Multisensor - 000-15736-001

    $591.39

  17. Airmar ST850 B&G Replacement Insert with Valve - ST850-INS-BG

    $210.71
    1

  18. Airmar ST850 Thru-Hull Speed & Temperature Sensor

    $168.40 - $464.51
    2

  19. Airmar B17 Bronze Housing - 33-100

    $169.80

  20. Airmar P617V Plastic Low-Profile Housing with Valve - 33-510-01

    $80.16
    2

  21. Faria Euro Black Depth Sounder

    $362.95 - $422.17
    0

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

    $1,460.00
    1

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

    $2,368.04
    1

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

    $555.67

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

    $2,782.09

  26. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $235.36

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

    $25.98
    4

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

    $769.08
    0

  29. Furuno Instrument/Data Organizer - FI70

    $769.07
    1

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

    $92.32
    1
  31. 31% off

    Faria Kronos Depth Sounder

    $403.86
    $278.53
    0

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

    $1,109.45
    0

  33. Airmar 150WXS NMEA 0183/AG WeatherStation - WS-150WXS-RS232

    $2,877.29

  34. Furuno GPS Antenna without Cable - GPA017S/S

    $168.39

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

    $25.98
    2

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

    $28.09

  37. Davis Instruments Vantage Pro2 Plus Weather Station with Fan Aspirated Radiation Shield and WeatherLink Console - 6263

    $2,862.95

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

    $453.21
    1

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

    $43.49
    1

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

    $58.41

  41. Lowrance Fuel Data Manager - 000-11522-001

    $154.27
    0

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

    $32.32
    1

  43. Faria Chesapeake White SS Depth Sounder

    $344.64 - $384.12
    0

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

    $577.29
    0

  45. Maptech Navigation USB GPS Receiver - MTUSBGPS

    $134.53
    0

  46. Standard Horizon External GPS Antenna - SCU-38

    $38.67
    0

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

    $1,051.09 - $1,691.23

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

    $35.65
    1
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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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