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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. B&G Triton 2 Speed/Depth Wireless Wind Instrument Pack - 000-14957-002

    $3,187.15
    2

  2. Airmar WeatherStation USB Interface Box - WS-USB

    $361.47

  3. Airmar ST850 Thru-Hull Speed & Temperature Sensor

    $164.83 - $454.64
    2

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

    $150.47

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

    $128.25
    1

  6. B&G Instrument Display for H5000/Triton

    $853.42 - $4,266.20
    0

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

    $149.62
    0

  8. Airmar 150WX NMEA 0183/2000 WeatherStation

    $1,793.22

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

    $206.24
    1

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

    $443.58
    1

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

    $42.58
    1

  12. Airmar U200 NMEA 2000 to USB Gateway - WS2-USB

    $897.61

  13. Veratron Rudder Angle Sensor

    $158.08 - $213.48
    0

  14. Faria Euro Black Depth Sounder

    $324.88 - $378.70
    0

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

    $217.27
    0

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

    $327.66
    3

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

    $90.37
    1

  18. Maretron N2KView Vessel Monitoring & Control Software - N2KVIEW

    $772.00
    0

  19. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $230.37

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

    $416.48

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

    See price in cart
    1

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

    $33.04
    2

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

    $616.06

  24. Furuno Instrument/Data Organizer - FI70

    $752.72
    1

  25. Standard Horizon External GPS Antenna - SCU-38

    $37.86
    0

  26. Standard Horizon GPS Smart Antenna - SCU-31

    $137.20
    1

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

    $77.04

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

    $2,722.91

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

    $565.02
    0

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

    $34.91
    1

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

    $534.68
    0

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

    $25.44
    3

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

    $25.44
    2

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

    $148.24
    0

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

    $31.65
    1

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

    $27.51

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

    $31.65

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

    $578.82

  39. Faria Chesapeake White SS Depth Sounder

    $309.72 - $341.46
    0
  40. 26% off

    Faria Kronos Depth Sounder

    $395.28
    $292.35
    0

  41. Airmar NMEA 2000 Bronze Tilted Element Smart Sensor - 235 kHz

    $737.54

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

    $151.00
    0

  43. Faria Dress White Depth Sounder

    $342.82 - $374.56
    0

  44. Furuno WGPS/GPS Receiver - GP330B

    $594.00
    0

  45. Maretron GPS Antenna/Receiver - GPS200-01

    $455.50
    0

  46. Airmar ST600 Blanking Plug Assembly - 20-600

    $38.20

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

    $31.65

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

    $37.86
    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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