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Airmar - 220WX NMEA 0183 WeatherStation® - (No Relative Humidity) - RS232 - Heater


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Airmar - 220WX NMEA 0183 WeatherStation® - (No Relative Humidity) - RS232 - Heater

In the unforgiving environments of ice-prone areas where commercial fishing takes place, having accurate and reliable weather monitoring equipment is essential for the safety and success of every voyage. Airmar presents the 220WX NMEA 0183 WeatherStation® with a Heater, designed specifically for these challenging conditions. This innovative product combines advanced technology with a robust heating system to provide critical weather data even in the harshest environments.

The Airmar 220WXH WeatherStation® with Heater is tailor-made for commercial fishing operations in ice-prone areas. Equipped with a highly effective thermostatically controlled heating system, this device ensures reliable performance even in extremely cold climates. Its compact and rugged design, along with an IPX6 waterproof rating, makes it suitable for the harsh marine environment. By calculating theoretical wind speed and direction based on various parameters, including vessel speed and heading, the 220WXH provides invaluable data for navigating through icy waters.

Key Highlights

  • Thermostatically controlled heater element ensures reliable operation in cold climates.
  • Comprehensive sensor suite including ultrasonic wind measurement, barometric pressure, temperature, and GPS position.
  • Robust construction with IPX6 waterproof rating for durability in marine environments.


  • Brand: Airmar Technology
  • Air Temp Accuracy: ±1.1°C at 20°C
  • Air Temp Range: -40 to 80°C (-40 to 176°F)
  • Barometric Pressure Accuracy: ±0.5 hPa at 25°C (or better)
  • Barometric Pressure Range: 300 to 1100 hPa
  • Certs And Standards: CE, IPX6, RoHS, IEC standards
  • Comm Method: NMEA 0183
  • Communications Available Hardware Interface: Serial RS-232, Serial RS-422
  • Communications Available Protocol: Comma delimited ASCII, NMEA 0183
  • Communications Serial Output Rate: 1 Hz typical. User selectable. 10 Hz maximum recommended
  • Country of Origin: USA
  • Display Connector: Cable Required
  • Exterior Color: White
  • GPS Position Accuracy: 3 m (10') CEP
  • Heater Supply Current: <2.5 A (<60 W) at 24 VDC
  • Mounting Thread: Standard 1”-14 UNS (3/4” NPT optional)
  • Operating Temp Range: -25 to 55°C (-13 to 131°F)
  • Operating Temp Range Cycles: Heater cycles on when sensor reaches 1°C
  • Operating Temp Range Heater: -40 to 55°C (-40 to 131°F)
  • Pitch Roll Accuracy: ±1° in range of ±30°
  • Power Supply Current: <38 mA (<0.9 W) at 24 VDC
  • Power Supply Voltage: 12 to 24 VDC
  • Recommend Use: Marine, Mobile
  • RoHS Compliant: Yes
  • Sensor Connector: 10WSH
  • Three Axis Compass Dynamic Heading Accuracy: 2° dynamic heading accuracy
  • Three Axis Compass Range: 0 to 359.9°
  • Three Axis Compass Static Heading Accuracy: 1° static heading accuracy
  • Waterproof Rating: IPX6
  • Weight: 350 g (0.8 lb.)
  • Wind Direction Accuracy: ±3° at 10 m/s
  • Wind Direction Range: 0° to 359.9°
  • Wind Direction Resolution: 0.1°
  • Wind Speed Accuracy: 5% at 10 m/s at 4 angles
  • Wind Speed Calculations: User configurable damping
  • Wind Speed Range: 0 to 40 m/s (0 to 89 MPH)
  • Wind Speed Resolution: 0.1 m/s

User Perspective

From the perspective of a commercial fisherman operating in ice-prone areas, the Airmar 220WXH WeatherStation® with Heater is a game-changer. Its ability to withstand extreme cold temperatures and provide accurate weather data ensures safer and more efficient fishing operations. The thermostatically controlled heating system ensures reliable performance even in the most challenging conditions, making it an indispensable tool for navigating icy waters.


  • Thermostatically controlled heater for reliable operation in cold climates
  • Comprehensive sensor suite for accurate weather data
  • Robust construction with IPX6 waterproof rating
  • Compact design suitable for marine environments
  • Easy to install and use


  • Limited compatibility with NMEA 0183 protocol only
  • Heater function adds complexity and power requirements
  • Higher initial cost compared to non-heated weather stations

Frequently Asked Questions

Can the Airmar 220WXH WeatherStation® be used in extreme cold temperatures?

Yes, the thermostatically controlled heater ensures reliable operation even in temperatures as low as -40°C.

What is the power requirement for the heater element?

The heater requires less than 2.5 A (<60 W) at 24 VDC.

Is the 220WXH WeatherStation® suitable for marine use?

Yes, it is designed for marine environments and has an IPX6 waterproof rating.

Can the heater be turned off when not needed?

Yes, the heater cycles on when the sensor reaches 1°C and can be disabled if not required.

Does the 220WXH WeatherStation® support NMEA 2000® CAN bus network?

No, it is compatible with NMEA 0183 protocol only.

The Airmar 220WXH NMEA 0183 WeatherStation® with Heater is a top-tier solution for commercial fishing operations in ice-prone areas. Its combination of advanced technology, robust construction, and thermostatically controlled heating system make it an indispensable tool for navigating through icy waters and ensuring the safety and success of every voyage. While it may have some limitations in terms of compatibility and additional power requirements, the benefits it offers far outweigh the drawbacks, making it a valuable investment for any commercial fishing vessel operating in cold climates.

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