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Observations for a better world

The lives of millions of people all around the world are touched daily by the work that we do and the technologies we've created. Our products and services provide you with the means to influence and better understand your community, environment, and the world. Curiosity, the desire to overcome challenges, and an extraordinary ability to innovate are Vaisala's core competencies; past, present, and future.


Vaisala is a global leader in environmental and industrial measurement. Built on over 80+ years of experience, Vaisala provides instrumentation and software innovation for the most challenging environments on earth and beyond.

Headquartered in Finland, Vaisala employs approximately 1,850 professionals worldwide and is listed on the Nasdaq OMX Helsinki stock exchange.

Vaisala focuses on two key business areas: Industrial Measurements and Weather and Environment. Our Weather customers include the most prestigious meteorological institutes, busiest airports, challenging roads and railroads, and the U.S. Defense program. Our Industrial Measurement business area offers products and services to Gas and Liquid Measurements industries such as Heating, Ventilation and Air Conditioning, Building Automation, Automotive, Electronics and Semiconductors, Manufacturing Automation, Life Sciences, Power Generation and Transmission, Biogas and Green Technology, Pulp and Paper, Dairy and Food processing to list a few.


Are you a #StarWars' fan? You're not alone. Here at Vaisala, our interest in space extends beyond science fiction. We are proud to have been involved in space exploration since its beginnings in the 1950s. Back in 1957, we converted the frequency of a radio theodolite to help track Sputnik I, the world’s first artificial satellite. Since then, we have been involved in a number of fascinating missions, providing technology to help understand the universe around us and beyond.

#DidYouKnow? The Landing vehicle of the Mars Polar Lander mission is equipped with FMI/GEO’s special measurement electronics, including two pressure measurement instruments based on Vaisala’s BAROCAP® and THERMOCAP® sensors. Now, you do!

Learn more about us here. 

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Technical Articles

Combating COVID-19 with Vaporized Hydrogen Peroxide Bio-decontamination (Lab Safety) In January of 2020, the International Health Regulations Emergency Committee of the World Health Organization announced the outbreak of coronavirus disease 2019 (COVID-19). Clinical presentations of... (View Full Article)
What is Metrology and How is it Connected to Daily Measurements? (Weather Sensing) Although the word metrology means measurement science, there is much more behind it than just science. In many cases, people who perform measurements follow best practices without even thinking about... (View Full Article)