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Instruments

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

137 Listed

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

    $35.65
    1

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

    $153.72

  3. B&G Wind Sensor Wind Speed Cups - 000-15140-001

    $49.93

  4. Airmar WeatherStation USB Interface Box - WS-USB

    $369.31

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

    $43.49
    1

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

    $474.97

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

    $25.98
    4

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

    $555.67

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

    $1,741.61
    0

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

    $58.41

  11. Airmar ST-650 Speed/Temperature Replacement Insert

    $199.01 - $212.10

  12. Airmar Bronze Thru-Hull High Precision Temperature Sensor - T42-A

    $394.01

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

    $2,368.04
    1

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

    $25.98
    2

  15. Airmar B120 Bronze Low-Profile Housing - 33-340-01

    $205.06

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

    $28.09

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

    $32.32
    1

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

    $237.29

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

    $32.32

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

    $2,877.29

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

    $78.70

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

    $425.52

  23. Airmar ST600 Blanking Plug Assembly - 20-600

    $39.02

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

    $32.32

  25. Airmar B17 Bronze Housing - 33-100

    $169.80

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

    $33.03

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

    $40.08

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

    $46.61

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

    $1,832.72

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

    $317.86

  31. B&G WS300/700 Series Wind Vane Assembly - 000-15144-001

    $76.72

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

    $32.32

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

    $7.04

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

    $29.15

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

    $1,832.19

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

    $6.73
    5

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

    $27.39

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

    $32.32
    1

  39. Airmar P79 In-Hull Transducer - 200 kHz

    $281.20 - $418.68

  40. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $235.36

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

    $365.81
    0

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

    $25.98

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

    $235.60

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

    $33.03
    1

  45. Airmar P32 Spare Wheel Kit

    $28.09

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

    $58.41

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

    $238.89

  48. Airmar UDST800 Thru-Hull Ultrasonic Smart Multisensor

    $2,115.63 - $2,432.88
    5
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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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