Who is Vaisala?
Vaisala is a Finnish company founded in 1936 by Professor Vilho Väisälä, who invented the operating principles of the radiosonde (a battery-powered instrument carried into the atmosphere, usually by a weather balloon). Thus, from its very first product Vaisala has been at the forefront of measurement technology for nearly 90 years. Today, with over 2,400 employees, Vaisala serves customers in more than 150 countries, with technology operating on two planets (yes, their sensors are on NASA’s Mars rovers!).

What do they sell?
Vaisala offers a vast portfolio of products and services—from individual sensors to complete systems and digital intelligence platforms. Thus, they have solutions for any application. Specifically, their solutions include weather and environment and industrial.
Weather and Environment Solutions
Vaisala is a world leader in meteorological systems. These products help national weather services, defense forces, and aviation authorities with their most critical weather-dependent operations.
- Meteorological Instruments: Radiosondes, weather radars, and all-in-one weather transmitters (measuring wind, rainfall, pressure, temperature, and humidity).
- Transportation Solutions: Road and runway surface condition sensors and weather stations that are essential for safe and efficient transportation.
- Renewable Energy: Wind and solar resource assessment tools and weather-based decision-making platforms to optimize energy generation.
- Digital Services: Software and data subscriptions for real-time monitoring and analysis, like their weather confidence platforms.
Industrial Measurement Solutions
These products are designed to optimize processes, improve resource efficiency, and ensure quality in demanding industrial environments.
- Humidity and Temperature Instruments: Used in everything from life science to high-technology industries and building automation.
- Industrial Gases: Instruments for measuring Carbon Dioxide and other gases. These instruments are critical for air quality, industrial drying, and carbon capture projects.
- Process Refractometers: Devices for in-line liquid concentration measurements in food and chemical industries.
- Power Transmission: Solutions for monitoring the condition of power transformers and insulating oils.
What makes them unique?
Vaisala is defined by its deep investment in science-based innovation, with close to a third of its employees dedicated to Research & Development.
- Proprietary Sensor Technology: They research, develop, and manufacture their own core sensors, including the polymers for their humidity sensors, in state-of-the-art cleanrooms. This allows them to control quality and performance from the ground up.
- Extreme Environments: Their sensors are built for long-term stability and accuracy in the absolute harshest conditions—from the frozen Arctic to the fierce hearts of hurricanes, and famously, on the surface of Mars. If it works flawlessly on another planet, you can trust it on Earth.
- AI and Digital Intelligence: Beyond the hardware, Vaisala leverages the latest in artificial intelligence and machine learning to turn raw data into actionable intelligence for their customers.
