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Instruments

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

266 Listed

  1. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $235.36

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

    $58.41

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

    $25.98
    4

  4. Faria Chesapeake White SS Depth Sounder

    $316.44 - $384.12
    0

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

    $154.27
    0

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

    $588.55
    0

  7. Standard Horizon GPS Smart Antenna - SCU-31

    $148.63
    1

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

    $28.09

  9. Airmar P79 In-Hull Transducer - 235 kHz

    $205.05 - $605.51

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

    $1,051.09 - $1,691.23

  11. Maretron GPS Antenna/Receiver - GPS200-01

    $489.85
    0

  12. Airmar DT800 Bronze Installation Kit - 20-398-02

    $235.60

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

    $32.32

  14. Airmar NMEA 0183 Plastic Tilted Element Smart Sensor - 235 kHz

    $1,234.37
  15. 26% off

    Faria Kronos Depth Sounder

    $403.86
    $298.69
    0

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

    $577.29
    0

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

    $206.44

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

    $46.61

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

    $317.86

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

    $629.44

  21. Furuno GPS Antenna without Cable - GPA017S/S

    $168.39

  22. Digital Yacht GPS Sensor/Antenna - ZDIGGPS160

    $240.28
    1

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

    $546.29
    0

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

    $162.73
    0

  25. SI-TEX Seawater Temperature Indicator - SST-110TS

    $705.60
    0

  26. Maptech Navigation USB GPS Receiver - MTUSBGPS

    $134.53
    0

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

    $6.73
    5

  28. Airmar 33-108 Wheel Kit Replacement Paddlewheel - 20-301-01

    $25.98

  29. Airmar ST600 Blanking Plug Assembly - 20-600

    $39.02

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

    $32.32
    1

  31. Digital Yacht iSeaSense Wireless Speed/Depth/Temperature Instrument Pack - ZDIGISSPK1

    $967.73

  32. Lowrance Temperature Sensor - 000-11520-001

    $154.27
    0

  33. Faria Transom Mount Depth Transducer - SN2011

    $205.03

  34. Faria Universal Pitot Kit - 91109

    $21.49
    1

  35. B&G 20/20HV 3-Way Mast Bracket - BGH220013

    $365.81
    0
  36. 14% off

    Veratron GO Receiver

    $193.87 - $433.83
    $164.88 - $433.83
    0

  37. Airmar WeatherStation Cable Adapter - 04-564-03

    $15.19

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

    $7.04

  39. Airmar DX900 Installation Kit and Housing - 20-1256-01

    $106.35

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

    $29.15

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

    $33.03

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

    $27.39

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

    $40.08

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

    $33.03
    1

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

    $425.52

  46. Airmar B122 B&G Replacement Plastic Insert - B122-170-INS-BG

    $474.97

  47. Faria Dress White Depth Sounder

    $340.39 - $416.53
    0

  48. Davis Instruments Weather Station Mounting Pole Kit - 7717

    $147.24
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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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