Vaisala is a global leader in weather, environmental, and industrial measurements headquartered in Vantaa, Finland.

Building on over 80 years of experience, we are a reliable partner for customers around the world, offering a comprehensive range of innovative observation and measurement products and services. 

Vaisala products and systems are based on our proprietary leading technologies. Our technologies include thin-film humidity sensors, infrared gas sensors, optical liquid sensors, optical weather sensors, and radio frequency technologies, among others.