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Instruments

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

109 Listed

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

    $27.39

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

    $32.32

  3. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $235.36

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

    $58.41

  5. Airmar WeatherStation USB Interface Box - WS-USB

    $369.31

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

    $6.73
    5

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

    $78.70

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

    $29.15

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

    $46.61

  10. Airmar P79 In-Hull Transducer - 235 kHz

    $205.05 - $605.51

  11. Airmar 150WX NMEA 0183/2000 WeatherStation - WS-150WX-RS232

    $1,832.19

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

    $7.04

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

    $32.32
    1

  14. Airmar B17/B617/DT800 Replacement Rubber Washer - 09-452

    $5.89
    1

  15. Airmar Snap-In Smart Sensor Cap - 20-386-03

    $14.35

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

    $235.60

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

    $33.03
    1

  18. Airmar P32 Spare Wheel Kit

    $28.09

  19. Airmar P8 Retractable Shorty Series Depth Sensor - P8-200-0

    $238.89

  20. Airmar UDST800 Thru-Hull Ultrasonic Smart Multisensor

    $2,115.63 - $2,432.88
    5

  21. Airmar UST850 Thru-Hull Ultrasonic Smart Multisensor

    $2,055.00 - $2,341.23
    0

  22. Airmar ST800 FISO 5-Pin Replacement Insert - ST800-INS

    $196.59
    4

  23. Airmar P79 Replacement Screw Pack - P79-SCREWPACK

    $6.42

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

    $15.19

  25. Airmar 33-114 Spares Kit O-Ring - 09-145

    $6.84

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

    $106.35

  27. Airmar DX900+ Thru-Hull Smart Electromagnetic Speed Sensor - DX900-ST-0

    $1,691.21

  28. Airmar 33-108 Paddle Wheel Kit Replacement Shaft - 01-088-1

    $8.30

  29. Airmar 33-113/33-114 Paddle Wheel Kit Replacement Shaft - 01-088-5

    $8.37

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

    $25.98

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

    $38.67
    1

  32. Airmar Shorty Sensor Speed/Temperature Low-Profile Housing - 33-361-01

    $42.90

  33. Airmar P398 Shorty Sensor Speed/Temperature Taper-Flush Housing - 33-444-02

    $78.15

  34. Airmar WeatherStation Cable Extension Adapter

    $10.12 - $15.40

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

    $2,877.29

  36. Airmar 200WX NMEA 0183/2000 IPX7 WeatherStation - WS-200WX-RS232-IPX7

    $2,805.43

  37. Airmar UST800/850 NMEA 2000 Ultrasonic Processor - UST8-ECP

    $1,199.12

  38. Airmar B122 Low-Profile Flange Adapter Ring - 33-634-02

    $32.32

  39. Airmar UST850 Ultrasonic Smart Sensor Insert - UST850-INS

    $825.47

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

    $474.97

  41. Airmar B122 Bronze Long Stem Retractable Housing - B122-HSG

    $237.29

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

    $1,051.09 - $1,691.23

  43. Airmar B619 Garmin Thru-Hull Transducer - 77/200kHz

    $349.59

  44. Airmar P66 Plastic Cover Assembly - 04-349-02

    $17.52

  45. Airmar P32 Transom Mount DST Triducer - P32-200-VDO

    $29.15

  46. Airmar Stuffing Tube Bushings - 20-488-01

    $43.01

  47. Airmar ST650 Valve Assembly - 20-603

    $30.21

  48. Airmar B55 Speed Only Thru-Hull Triducer Spare - 33-125

    $37.61
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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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