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Instruments

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

211 Listed

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

    $152.64

  2. Simrad GS25 GPS Antenna with Heading Sensor - 000-11043-002

    $427.60
    1

  3. Davis Instruments Vantage Pro2 Wireless Weather Station with Standard Radiation Shield and WeatherLink Console - 6252

    $1,246.64

  4. Airmar UST850 Thru-Hull Ultrasonic Smart Multisensor

    $2,040.43 - $2,324.63
    0

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

    $33.51
    1

  6. Furuno Remote Display - RD33

    $973.62
    0

  7. Maretron N2KView Vessel Monitoring & Control Software - N2KVIEW

    $815.38
    0

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

    $91.67
    1

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

    $43.19

  10. Digital Yacht WindSense Wifi Wind System - ZDIGWS

    $724.43
    0

  11. Maretron GPS Antenna/Receiver - GPS200-01

    $398.18
    0

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

    $1,043.64 - $1,679.24

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

    $307.20
    1

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

    $612.38
    0

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

    $25.80
    1

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

    $35.40
    1

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

    $551.73

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

    $279.20
    0

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

    $27.90

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

    $2,239.25
    0

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

    $58.00

  22. Lowrance Point-1 AP GPS and Heading Antenna - 000-12930-002

    $427.61
    1

  23. Veratron Ocean Link TFT Multifunction Display - 4.3" - A2C1352150001

    $790.60
    0

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

    $427.60
    0

  25. Veratron VDO NMEA 2000 Wind Sensor - A2C59501984

    $679.72
    2

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

    $32.10
    1

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

    $315.61

  28. Standard Horizon External GPS Antenna - SCU-38

    $41.20
    0

  29. Faria Euro Black Depth Sounder

    $319.78 - $384.18
    0

  30. Veratron GO Receiver

    $174.46 - $309.28
    0

  31. Veratron Rudder Angle Sensor

    $115.24 - $155.56
    0

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

    $32.10

  33. Airmar ST-650 Speed/Temperature Replacement Insert

    $197.61 - $210.60

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

    $2,762.36

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

    $25.80
    3

  36. Airmar ST600 Blanking Plug Assembly - 20-600

    $38.75

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

    $1,729.26
    0

  38. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $233.70

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

    $624.98

  40. Furuno Airmar DST810 Smart Multi Sensor - DST-810MSF

    $548.58
    0

  41. Furuno WGPS/GPS Receiver - GP330B

    $595.60
    0

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

    $38.40

  43. Airmar P79 In-Hull Transducer - 235 kHz

    $203.60 - $601.22

  44. Digital Yacht GPS Sensor/Antenna - ZDIGGPS160

    $269.38
    0

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

    $545.20
    0

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

    $78.14

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

    $143.38
    0

  48. Airmar B17 Bronze Housing - 33-100

    $168.60
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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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