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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 P617V Plastic Low-Profile Housing with Valve - 33-510-01

    $80.16
    2

  2. Maretron High-Resolution Color Display - 5.7" - DSM570-01

    $1,357.05
    0

  3. Airmar U200 NMEA 2000 to USB Gateway - WS2-USB

    $917.11

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

    $153.72

  5. Furuno Wind Transducer - FI5001

    $711.24
    0

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

    $33.75
    2

  7. Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

    $235.36

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

    $154.27
    0

  9. Veratron VDO NMEA 2000 Wind Sensor - A2C59501984

    $953.74
    2

  10. Faria Euro Black Depth Sounder

    $362.95 - $422.17
    0

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

    $210.71
    1

  12. Faria Chesapeake Black SS Depth Sounder

    $329.13 - $377.07
    1

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

    $552.49
    0

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

    $131.02
    1

  15. B&G Triton2 Speed/Depth Pack with DST810 Smart Sensor Transducer - 000-13298-002

    $1,554.47
    0

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

    $1,741.61
    0

  17. Airmar UST850 Thru-Hull Ultrasonic Smart Multisensor

    $2,055.00 - $2,341.23
    0

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

    $25.98
    3

  19. Airmar WeatherStation USB Interface Box - WS-USB

    $369.31

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

    $453.21
    1

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

    $555.67

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

    $2,782.09

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

    $206.44

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

    $92.32
    1

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

    $227.62
    0

  26. Furuno GPS/WAAS Navigator with GPS Antenna - GP39

    $769.08
    0

  27. Furuno Instrument/Data Organizer - FI70

    $769.07
    1

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

    $28.09

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

    $43.49
    1

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

    $58.41
  31. 9% off

    Maptech Navigation USB GPS Receiver - MTUSBGPS

    $134.53
    $121.14
    0

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

    $35.65
    1

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

    $2,877.29

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

    $32.32
    1

  35. Faria Chesapeake White SS Depth Sounder

    $344.64 - $371.43
    0

  36. SI-TEX Seawater Temperature Indicator - SST-110TS

    $705.60
    0

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

    $25.98
    2

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

    $577.29
    0

  39. Standard Horizon External GPS Antenna - SCU-38

    $38.67
    0

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

    $154.27
    0

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

    $46.61

  42. Airmar ST-650 Speed/Temperature Replacement Insert

    $199.01 - $212.10

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

    $1,832.72

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

    $425.52

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

    $1,051.09 - $1,691.23

  46. Airmar ST600 Blanking Plug Assembly - 20-600

    $39.02

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

    $32.32

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

    $162.73
    0
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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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