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Instruments

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

292 Listed

  1. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $235.36

  2. B&G WS300 Wind Vane Mast Cable - 000-14397-001

    $227.62
    0

  3. Airmar P52 Transom Mount DST Triducer - P52-200-6G

    $224.80

  4. Veratron Intelligent Battery Sensor - B00084201

    $220.52
    0

  5. Faria Transom Mount Depth Transducer - SN2011

    $217.72

  6. Simrad GPS-500 GPS Antenna - 000-13613-001

    $212.08
    3

  7. Veratron LinkUp Intelligent Battery Sensor - B00043901

    $211.13
    0

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

    $210.71
    1

  9. Airmar ST800 Thru-Hull Speed & Temperature Sensor

    $210.70 - $563.21

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

    $206.44

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

    $205.06

  12. Airmar P79 In-Hull Transducer - 235 kHz

    $205.05 - $605.51

  13. Airmar ST-650 Speed/Temperature Replacement Insert

    $199.01 - $212.10

  14. Furuno GPS Antenna - GPA017

    $196.59
    0

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

    $196.59
    3

  16. Furuno Plastic Thru-Hull Speed and Temperature Insert - ST-02PSB

    $190.95

  17. Faria Thru-Hull Depth/Temp Transducer - SN0036A

    $189.52

  18. Sierra GPS Receiver - 68982P

    $186.72

  19. Furuno GPS Antenna - GPAC01

    $183.90

  20. Airmar B17 Bronze Housing - 33-100

    $169.80

  21. Simrad ST850 Speed/Temperature Sensor - 22098586

    $169.80

  22. Airmar ST850 Thru-Hull Speed & Temperature Sensor

    $168.40 - $464.51
    2

  23. Furuno GPS Antenna without Cable - GPA017S/S

    $168.39
  24. 14% off

    Veratron GO Receiver

    $193.87 - $433.83
    $164.88 - $433.83
    0

  25. Veratron Rudder Angle Sensor

    $161.51 - $218.10
    0

  26. Davis Instruments 2-Wire Termination Temperature Probe - 6470

    $161.32

  27. Airmar Transom Speed/Temperature Sensor with Furuno 6-Pin - ST-01PTB

    $160.94

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

    $154.32
    0

  29. Lowrance Speed Sensor Pack - 000-11519-001

    $154.27
    0

  30. Lowrance Temperature Sensor - 000-11520-001

    $154.27
    0

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

    $153.72

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

    $152.88
    0

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

    $151.45
    0

  34. Scout GPS/GLONASS Antenna - 3" (7 cm) - NAV-6

    $147.22
    1

  35. Davis Instruments Weather Station Mounting Pole Kit - 7717

    $145.83

  36. Standard Horizon GPS Smart Antenna - SCU-31

    $140.17
    1

  37. Maptech Navigation USB GPS Receiver - MTUSBGPS

    $134.53
    0

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

    $131.02
    1

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

    $128.91
    5

  40. Newmar Digital Instrument Relay - DIR

    $126.07
  41. 15% off

    Lowrance Thru-Hull Temperature Sensor - 000-11521-001

    $140.17
    $118.60
    0

  42. Davis Instruments Sensor Mounting Shelf - 6673

    $110.56

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

    $106.35

  44. Lowrance PDRT-WSU Pod Transducer with Remote Temperature Sensor - 000-0106-69

    $96.46

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

    $92.32
    1

  46. Davis Instruments RJ Connector Temperature Probe

    $85.18 - $161.32

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

    $80.16
    2

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

    $78.70
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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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