WXT520 Vaisala Weather Transmitter

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Product Code: WXT520

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Description

FEATURES AND BENEFITS

Measures 6 most essential weather parameters Wind Speed, Wind Direction, Temperature, Humidity, Barometric Pressure and Rainfall
Accurate and stable
Low power consumption - works also with solar panels
Compact, light-weight
Easy to install
No moving parts
Vaisala Configuration Tool for pc
USB connection
IP66 housing with mounting kit
Applications: weather stations, dense networks, harbors, marinas
Vaisala Ordering Guide Number: WXT520AAA0AA00B0
WXT520 Ordering Guide: /v/vspfiles/assets/images/wxt520_order.pdf
WXT520 Data Sheet: /v/vspfiles/assets/images/wxt520-datasheet-b210417en-f-lores.pdf

Six-in-one

With the world becoming increasingly sensitive to weather and climate, it is important to measure the weather accurately. The Vaisala Weather Transmitter WXT520 offers the solution to measure barometric pressure, humidity, precipitation, temperature, and wind speed and direction - all with one instrument!

Applications

Compact and lightweight, the WXT520 is suitable for weather stations, dense networks, buildings, golf courses, marinas, harbors, and hotels - almost anywhere where real time weather data is needed. Accurate and reliable data provided to you early enough can increase safety to life and property.

How does WXT520 do it?

To measure wind speed and direction, the WXT520 has the Vaisala WINDCAP® sensor that uses ultrasound to determine horizontal wind speed and direction. The array of three equally spaced transducers on a horizontal plane is a Vaisala specific design, which ensures accurate wind measurement from any horizontal wind direction without blind angles and corrupted readings. Barometric pressure, temperature, and humidity measurements are combined in the PTU module using capacitive measurement for each parameter. It is easy to change the module without any contact with the sensors. Precipitation measurement is based on the Vaisala RAINCAP® sensor.

Heating

The wind and rain sensors can be equipped with heating, which improves the availability of correct measurement data at all times. Heating also reduces moisture and ice forming on the surface of the tranducers. The heating circuit is independent of the operational power. The WXT520 has an automatic control circuit that switches the heating on at low Vaisala Weather Transmitter WXT520 Access to Real Time Weather Data Heating at work in a WXT520. temperatures, well before the freezing point.

As the power consumption of the WXT520 is very low, it can use solar panels as an energy source. Not only does this save energy, but also allows you to use the WXT520 in remote areas where electricity is not available.

Technical Data

Wind Speed
Speed Measurement range Accuracy 0 ... 35 m/s 36 ... 60 m/s Direction Measurement range Accuracy Response time	0 ... 60 m/s ±0.3 m/s or ±3%, whichever is greater ±5% 0 ... 360° ±3° 250 ms
Rainfall
Rainfall output resolution accuracy Rainfall duration output resolution Rain intensity range output resolution	cumulative accumulation after latest automatic or manual reset 0.01 mm, 0.001 inches 5%* counting each ten-second increment when droplet detected 10 s one-minute running average in ten-second steps 0 … 200 mm/h (broader range with reduced accuracy) 0.1 mm/h, 0.01 inches/h
Barometric Pressure
Measurement range Accuracy	600 ... 1100 hPa ±0.5 hPa at 0 ... 30 °C (+32 ... +86 °F) ±1 hPa at -52 ... +60 °C (-60 ... +140 °F)
Air Temperature
Measurement range Accuracy at +20 °C (+68 °F)	-52 ... +60 °C (-60 ... +140 °F) ±0.3 °C (±0.5 °F)
Relative Humidity
Measurement range Accuracy	0 ... 100 %RH ±3 %RH within 0 ... 90 %RH ±5 %RH within 90 ... 100 %RH
General
Operating temperature Storage temperature Input voltage Typical power consumption Heating voltage Serial data interface Housing Housing with mounting kit Electromagnetic compatibility IEC standards	-52 ... +60 °C (-60 ... +140 °F) -60 ... +70 °C (-76 ... +158 °F) 5 … 32 VDC 3 mA at 12 VDC (with defaults) 5 … 32 VDC (or AC, max. 30 V_RMS) SDI-12, RS232, RS485, RS422, USB adapterr IP65 IP66 complies with EMC standard EN61326-1; Industrial Environment IEC 60945/61000-4-2 … 61000-4-6