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Airmar - 200WX NMEA 0183 / 2000® WeatherStation® - Relative Humidity - RS422


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Airmar - 200WX NMEA 0183 / 2000® WeatherStation® - Relative Humidity - RS422

The Airmar 200WX NMEA 0183 / 2000® WeatherStation® with Relative Humidity—a cutting-edge instrument designed to meet the demands of mobile, land-based, and standalone weather monitoring applications. This comprehensive guide aims to provide an in-depth understanding of the 200WX, covering its features, specifications, user perspectives, pros, cons, frequently asked questions, and final verdict to assist users in harnessing the power of accurate weather data.

The Airmar 200WX WeatherStation is engineered to excel in mobile, land-based, and standalone weather monitoring applications. Housed in a durable, rugged, and compact enclosure with an IPX6 rating, the 200WX is capable of withstanding harsh environmental conditions, making it ideal for use on moving platforms such as TV-news vehicles and military vehicles. Its advanced sensors, including ultrasonic measurement of apparent and theoretical wind speed and direction, barometric pressure measurement, and inclusion of relative humidity measurement as a field-serviceable option, ensure comprehensive weather data collection in diverse operating environments.

Key Highlights

  • Comprehensive Weather Data: The 200WX offers a wide range of meteorological measurements, including wind speed and direction, barometric pressure, air and wind chill temperature, and optional relative humidity measurement, enabling users to make informed decisions based on accurate and real-time weather data.
  • Robust Construction: Encased in a rugged, IPX6-rated housing, the 200WX is designed to withstand the rigors of mobile and outdoor applications, ensuring reliable performance even in challenging environmental conditions.
  • Advanced Sensor Technology: Equipped with a 10 Hz GPS, three-axis electronic compass, three-axis rate gyro, and three-axis accelerometer, the 200WX delivers precise heading, position, speed-over-ground, course-over-ground, and rate-of-turn data essential for theoretical wind-data processing and dynamic weather monitoring.


  • Brand: Airmar Technology
  • Air Temp Accuracy: ±1.1°C at 20°C
  • Barometric Pressure Accuracy: ±0.5 hPa at 25°C (or better)
  • Communications Available Hardware Interface: Serial RS-232, Serial RS-422, CAN
  • Communications Available Protocol: Comma delimited ASCII, NMEA 0183, NMEA 2000
  • Operating Temp Range: -25 to 55°C (-13 to 131°F)
  • Pitch Roll Accuracy: ±1° in range of ±30°
  • Power Supply Current: <75 mA (<0.9 W) at 12 VDC
  • Recommend Use: Land Based, Mobile
  • Waterproof Rating: IPX6 (Relative Humidity/IPX4)

User Perspective

From meteorologists and commercial operators to military personnel and outdoor enthusiasts, the Airmar 200WX offers invaluable insights into prevailing weather conditions, enabling users to make informed decisions, enhance safety, and optimize operational efficiency. Its user-friendly interface, robust construction, and advanced sensor technology make it a trusted companion for a wide range of weather monitoring applications.


  • Accurate and comprehensive weather data collection
  • Rugged and durable construction suitable for outdoor and mobile applications
  • Advanced sensor technology for precise and reliable performance


  • Optional features such as relative humidity measurement may entail additional cost
  • Installation and setup may require technical expertise

Frequently Asked Questions

Is the Airmar 200WX suitable for marine applications?

While primarily designed for land-based and mobile use, the 200WX can be adapted for marine applications with appropriate mounting and installation considerations.

Can the relative humidity module be added or removed after purchase?

Yes, the relative humidity module is field-serviceable and can be added or removed as needed to suit specific weather monitoring requirements.

What is the recommended cable length for data output?

The 200WX supports data output via a single cable, with various lengths available to accommodate different installation configurations.

Does the 200WX require regular calibration?

While the 200WX is factory-calibrated, periodic calibration may be recommended to maintain optimal accuracy, especially in extreme operating conditions.

Can the 200WX interface with third-party weather monitoring software?

Yes, the 200WX supports multiple communication protocols, including NMEA 0183 and NMEA 2000, allowing seamless integration with a wide range of third-party weather monitoring software and systems.
Final Verdict

In conclusion, the Airmar 200WX NMEA 0183 / 2000® WeatherStation® with Relative Humidity emerges as a versatile and reliable solution for mobile, land-based, and standalone weather monitoring applications. With its comprehensive sensor suite, robust construction, and advanced technology, it provides users with the accurate and real-time weather data needed to make informed decisions, enhance safety, and optimize operational efficiency in diverse environments. While initial setup and optional features may require additional investment and technical expertise, the 200WX ultimately proves its worth as a trusted companion for weather monitoring needs.

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