Airmar 220WX weather station

Overview

Whether you are trying to improve safety or efficiency, the WX Series Ultrasonic WeatherStation® Instruments meet a growing need for real-time, site-specific weather information. These accurate units offer weather specific data to help organizations monitor weather conditions on-site or in remote locations.

These all-in-one weather sensors measure apparent wind speed and angle, barometric pressure, air temperature and wind chill temperature. With the optional internal compass and GPS, true wind speed and direction can also be calculated. The UV stabilized, compact housing is fully waterproof.

These units offer a truly best-in-class solution at a better price point than any other weather monitoring system on the market today.  :

  • WeatherStation® Instruments combine up to seven sensors, all with no moving parts, in one compact unit
  • Wind readings are not affected by the common problems known in mechanical anemometers and weather measuring devices like bearing wear, salt and dirt build-up or bird perching, which can all result in failure or data inaccuracy
  • Units are easy-to-install either permanently, or as a portable system. They can be installed on a standard pole with 1”-14 UNS or 3/4” NPT threads
  • IPX6 waterproof rating (units with the relative humidity option added are IPX4 waterproof rated)
  • Optional heater model available for colder climates under 1° C
  • Operating voltage range of 12-24 VDC

Features

  • Wind speed & direction
  • Solid-state compass
  • 10 Hz GPS
  • 3-axis accelerometer
  • 3-axis rate gyro
  • Barometric pressure
  • Ultrasonic wind readings
  • Optional relative humidity
  • Air temperature
  • Wind chill
  • Optional heater

 

Technical Specification

Specifications

  • Wind Speed Range:
    • 0 knots to 78 knots (0 MPH to 90 MPH, 0 m/s to 40 m/s)
  • Wind Speed Resolution:
    • 0.1 knot (0.1 MPH, 0.1 m/s)
  • Wind Speed Accuracy @ 0°C to 55°C (32°F to 131°F), no precipitation*:
    • Low Wind Speeds:
      • 0 -10 knots; 1 knot RMS +10% of reading
      • (0 MPH to 11.5 MPH; 1.1MPH + 10% of reading)
      • (0 m/s to 5 m/s; 0.5 m/s + 10% of reading)
    • High Wind Speeds:
      • 10-78 knots; 2 knots RMS or 5%, whichever is greater
      • (11.5 MPH to 90 MPH; 2.3 MPH or 5%, whichever is greater)
      • (5 m/s to 40 m/s; 1 m/s or 5%, whichever is greater)
  • Wind Speed Accuracy in wet conditions**:
    • 5 knots RMS (5.7 MPH RMS, 2.5 m/s RMS)
  • Wind Direction Range: 0° to 360°
  • Wind Direction Resolution: 0.1°
  • Wind Direction Accuracy @ 0°C to 55°C (32°F to 131°F), no precipitation*:
    • Low Wind Speeds (5° RMS typical):
      • 4 – 10 knots (4.6 MPH to 11.5 MPH, 2 m/s to 5 m/s)
    • High Wind Speeds (2° RMS typical):
      • >10 knots (>11.5 MPH, >5 m/s)
  • Wind Direction Accuracy in wet conditions** (8° RMS Typical):
    • 8 knots (>9.2 MPH, >4 m/s)
  • Compass Accuracy:
    • 1° static heading accuracy; 2° dynamic heading accuracy
  • Pitch and Roll Range / Accuracy: ±50° / <1°
  • Air Temperature Range***: -40°C to 55°C (-40°F to 131°F)
  • Air Temperature Resolution: 0.1°C (0.1°F)
  • Air Temperature Accuracy: ±1.1°C (±2°F)* @ >4 knots wind (>4.6 MPH wind) (>2 m/s wind)
  • Barometric Pressure Range: 300 mbar to 1100 mbar (24 inHg to 33 inHg, 800 hPa to 1100 hPa)
  • Barometric Pressure Resolution: 0.1 mbar (0.029 inHg, 0.1 hPa)
  • Barometric Pressure Accuracy: ±1 mbar (±0.029 inHg, ±1 hPa) when altitude correction is available
  • Relative Humidity Range: 10% to 95% RH
  • Relative Humidity Accuracy*: ±5% units RH
  • GPS Position Accuracy: 3 m (10’) with WAAS/EGNOS (95% of the time)
  • Operating Temperature Range: -25°C to 55°C (-13°F to 131°F)
  • Heater Operating Temperature Range: -40°C to 55°C
    • Heater cycles when sensor reaches 1°C
  • Supply Voltage: 12 VDC to 24 VDC
  • Heater Supply Voltage: 24 VDC
  • Supply Current (@ 12 VDC):
    • (<165 mA) <2.0W, LEN 4
  • Supply Current (@ 24 VDC):
    • (<85 mA) <2.0W
  • Heater Supply Current (@ 24 VDC):
    • < (2.5 A) <60W
  • Weight: 300 grams (0.8 lb)
  • Communication Interface: NMEA 0183 (RS422) and NMEA2000® (CAN bus)****
  • Mounting Thread Size on Base: Standard 1”-14 UNS (3/4” NPT optional)
  • Certifications and Standards:
    • CE, IPX6 (Relative Humidity/IPX4), RoHS, IEC60945

RMS—Root Mean Square, LEN—Load Equivalency Number
*When the wind speed is less than 2 m/s (4.6 MPH) and/or air temperature is below 0°C (32°F),
wind, temperature, and relative humidity readings will be less accurate.
**Wet conditions include moisture, rain, frost, dew, snow, ice and/or sea spray in the wind channel.
***Temperature and relative humidity reports invalid during heater operation.
****Airmar has made the address claiming modifications to enable compatibility with the ISO 11783
communication protocol for the agriculture industry – that is based on the SAE J1939 protocol.

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