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Instruments

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

292 Listed

  1. Veratron Rudder Angle Sensor

    $161.51 - $218.10
    0

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

    $153.72

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

    $210.71
    1

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

    $2,661.31

  5. B&G Instrument Display for H5000/Triton

    $871.96 - $4,358.93
    0

  6. Airmar WeatherStation USB Interface Box - WS-USB

    $369.31

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

    $80.16
    2

  8. Airmar 150WX NMEA 0183/2000 WeatherStation

    $1,832.19

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

    $555.67

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

    $131.02
    1

  11. Airmar ST850 Thru-Hull Speed & Temperature Sensor

    $168.40 - $464.51
    2

  12. Faria Chesapeake Black SS Depth Sounder

    $329.13 - $377.08
    0

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

    $453.22
    1

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

    $769.08
    0

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

    $92.32
    1

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

    $152.88
    0

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

    $453.26
    1

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

    $33.75
    2

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

    $334.82
    3

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

    $1,741.61
    0

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

    $154.32
    0

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

    $227.62
    0

  23. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $235.36

  24. Airmar SS571 Stainless Steel Replacement Stuffing Tube - 33-541-01

    $425.52

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

    $43.49
    1

  26. SeaStar Teleflex/Sierra In-Dash Digital Depth Finder with Transducer - 2" - 26000P

    See price in cart
    2

  27. Standard Horizon GPS Smart Antenna - SCU-31

    $140.17
    1

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

    $28.09

  29. Airmar ST-650 Speed/Temperature Replacement Insert

    $199.01 - $212.10

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

    $2,782.09

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

    $629.44

  32. Simrad Pole Mount Kit for HS75 GNSS Compass - 000-15686-001

    $206.44

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

    $577.31
    0

  34. Furuno Instrument/Data Organizer - FI70

    $769.07
    1

  35. Standard Horizon External GPS Antenna - SCU-38

    $38.67
    0

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

    $32.32
    1

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

    $25.98
    2

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

    $35.65
    1

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

    $151.45
    0

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

    $25.98
    3

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

    $78.70

  42. Faria Chesapeake White SS Depth Sounder

    $344.66 - $371.43
    0
  43. 26% off

    Faria Kronos Depth Sounder

    $403.86
    $298.69
    0

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

    $32.32

  45. Lowrance Temperature Sensor - 000-11520-001

    $154.27
    0

  46. Maretron GPS Antenna/Receiver - GPS200-01

    $489.85
    0

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

    $46.61

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

    $1,832.72
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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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