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Weather Stations Comparative – Weather Monitor (Davis) VS WS-3000 (Libelium)

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Libelium celebrates the consolidation of our Plug & Sense! platform as the reference technology for Wireless Sensor Networks applied to Agriculture and Meteorology. One year after the platform release, we can say that the Smart Agriculture model is one of the most successful among all the 8 types. Our customers have found the Smart Agriculture sensor nodes specially convenient for monitoring vineyards and crops in harsh environments, delivering real-time, accurate data, in a reliable and flexible way.

smart_agriculture_model

Ready to install and easy to deploy, Plug & Sense! Smart Agriculture reduces installation time from days to hours.

Libelium Smart Agriculture system is able to monitor up to 11 parameters. Some of them are related to the environment observation, such as ambient temperature and humidity, atmospheric pressure, precipitation and wind speed and direction. The rest of parameters are specific for agriculture: soil moisture and temperature, solar radiation, accurate stem diameter and leaf wetness. The monitoring of these parameters allows to minimize time and money as well as maximize agriculture results. Researchers can also predict the appearance of plagues reducing their impact on the crops growth.

One of the most successful sensors is our Weather Station WS-3000, a kit which comprises 3 sensors: wind gauge, anemometer and wind vane. It is a reliable and accurate pack for just a fraction of the price of other standard weather stations.

weather_station_ws_3000-450px

WS-3000 consists of wind gauge, wind vane and anemometer

We carried out some experiments to test the performance of the Libelium’s WS-3000 againts one  of the Weather Stations from Davis and a pluviometer from Rain’o'Matic (both solutions known for being accurate and reliable).

davis-450px

During some weeks we set up one post with both weather stations so they were affected by the same atmospheric events regarding wind and rain.

comparativa

Zaragoza is a windy city so we got strong wind changes during one week. We can see in the graphic below that both anemometers registered similar behaviours.

wind_speed_comparation-450px

In our hometown, this cold wind comes from the north-west of Spain and it is called cierzo. This is what shows the following figure (0 and 16 is N, 4 is W, 8 is S and 12 is E) . Again, both sensors show equivalent results. The only difference is the initial offset of the readings and the depth of the Y axis, but they show same response to wind change.

wind_direction_comparation_3-450px

The rain test was even closer. They showed identical results for the two weeks period studied. (“Y” value in ml).

rain_gauge_comparation-450px

We are really satisfied with this experience, which shows that our Weather Station WS-3000 performs as good as other professional weather stations at just a fraction of the cost.

For more information about the Plug & Sense! Agriculture and the Weather Stations contact our Commercial Team.


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