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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 UDST800 Thru-Hull Ultrasonic Smart Multisensor

    $1,170.08 - $1,600.78
    1

  2. Airmar DST810 Smart Multisensor

    $583.16 - $911.66
    5

  3. Airmar DT800 Thru-Hull Tilted Element Smart Sensor

    $381.66 - $583.16
    1

  4. Airmar ST850 NMEA 2000 Smart Speed & Temperature Sensor

    $329.10 - $832.82
    1

  5. Airmar 200WX Apparent & True Wind WeatherStation Instrument - WS-200WX

    $2,622.05
    0

  6. Airmar ST800 Thru-Hull Speed & Temperature Sensor

    $180.18 - $583.16

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

    $203.54
    2

  8. HawkEye DepthTrax 2B Depth Finder - DT2B-TM

    $133.46
    4

  9. Airmar ST800 NMEA 2000 Smart Speed & Temperature Sensor

    $504.31 - $716.02

  10. Airmar ST850 Thru-Hull Speed & Temperature Sensor

    $174.35 - $480.96
    1

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

    $2,880.73

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

    $329.11

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

    $82.99
    2

  14. Airmar P39 Transom Mount Smart Triducer Multisensor - P39-235-N2

    $582.31

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

    $1,803.35
    0

  16. Airmar ST-800 Paddlewheel Kit - 33-493-01

    $41.48
    1

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

    $218.16
    1

  18. Airmar WeatherStation USB Interface Box - WS-USB

    $382.39

  19. Airmar Simrad P79 In-Hull Adjustable Angle Transducer - P79-BL

    $291.14
    0

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

    $1,751.16

  21. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $243.69

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

    $159.15

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

    $34.92

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

    $135.65

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

    $36.89
    1

  26. Airmar D800 Plastic Retractable Thru-Hull Transducer - 170kHz - D800P-170-BG

    $340.07

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

    $29.07

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

    $26.88
    3

  29. Airmar ST-650 Speed/Temperature Replacement Insert

    $206.05 - $219.60

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

    $60.46

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

    $95.57
    1

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

    $45.01

  33. Airmar 150WX NMEA 0183/2000 WeatherStation

    $1,897.14

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

    $33.45
    1

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

    $33.45

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

    $41.48

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

    $26.88
    1

  38. Airmar P79 In-Hull Transducer - 235 kHz

    $212.30 - $626.96

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

    $33.45

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

    $780.26

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

    $60.46

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

    $81.47

  43. Airmar B17 Bronze Housing - 33-100

    $175.80

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

    $48.24

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

    $1,241.62

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

    $6.95
    3

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

    $28.34

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

    $40.02
 
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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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