Vaisala WXT520 Heated Automatic Weather Station

Vaisala WXT-520 Heated Combi Sensor

  • Compact Weather Station Barometric Pressure/Rainfall/Temperature/Windspeed/Wind Direction/Relative Humidity
  • Heated Option for freezing environments
  • SDI-12 Output Telemetry Ready. Connects to Adcon Telemetry Systems
Product Options


The Vaisala WXT520 automatic weather station is an extremely versatile product. It provides standard temperature, humidity and barometric pressure sensors, combined with top quality ultra sonic wind speed and direction measurement and a revolutionary new sound-based precipitation gauge.

Most of the sensors for the WXT520 weather station can be easily programmed to adapt the sensors performance in different applications. It can be easily installed and maintained. It has no moving parts and a low power consumption.

It is available with or without heating.

Manufactured by: Vaisala
Model: Vaisala WXT-520 Heated Combi Sensor

Services offered for this product

  • Sales
  • Rental
  • Installation
  • Calibration
  • Maintenance


Environmental monitoring station


Wind Speed
Range 0 - 60m/s
Response Time 250ms
Available Variables average, maximum, minimum
Accuracy 0-35ms
Accuracy 35-60ms
± 0.3m/s or ±3% (whichever is greater)
Resolution 0,1m/s
Units available m/s, km/h, mph, knots
Wind Direction
Azimuth 0 - 360°
Response Time 250ms
Available Variables Average, maximum, minimum
Accuracy ±3°
Collecting Area 60 cm²
Resolution 0.01mm
Accuracy 5%
Rain Duration counting each 10s increment whenever droplet detected
Resolution 10s
Rain Intensity one minute running average in ten second steps
Range 0-200 mm/h
Resolution 0.1mm/h (0.01in/h)
Units available mm/h, in/h
Hail cumulative amount of hits against collecting surface
Resolution 0,1 hits/cm² (1 hits/in²)
Units Available hits/cm² , hits/in² , hits
Hail Duration counting each 10s increment whenever hail stone detected
Resolution 10s
Hail Intensity one minute running average in ten second steps
Resolution 0.1 hits/cm²h (1hits/in²h)
Units Available hits/cm²h, hits/in²h, hits/h
Barometric Pressure 600 - 1.100hPa
Accuracy ± 0.5hPa at 0...+30°C (+32...+86°F)
± 1hPa at -52...+60°C (-60...+140°F)
Resolution 0.1hPa
Units Available hPa, Pa, bar, mmHg, inHg
Air Temperature -52°C - +60°C
-60°F - +140°F
Accuracy @20°C (+68°F) ± 0.3°C (± 0.5°F)
Resolution 0,1°C (0.1°F)
Relative Humidity 0 - 100 %RH
Accuracy ± 3% RH within 0-90% RH
± 5% RH within 90-100% RH
Resolution 0.1% RH
Operating Temperature -52°C to +60°C
-60°F to +140°F
Height 240 mm (9.4")
Diameter 120 mm (4.7")
Weight 650 gr. (1.43 lbs)
Power Supply 5 - 30 VDC

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