Sensirion hit the one billion mark on July 8, 2021 with an SCD4x CO2 sensor – a major milestone in what is still a fairly short company history. Almost 23 years ago, Sensirion was established as an off-shoot of the Swiss Federal Institute of Technology (ETH) in Zurich, laying the foundations for the success of this Swiss company. In just a few years, the sensor manufacturer established itself as the market leader in the field of humidity and temperature sensor technology. Approximately 80% of t...