Sensirion AG manufactures sensors and sensor solutions for the measurement and control of humidity, gas, and liquid flows. It offers humidity sensors, temperature, liquid flow meters, mass flow meters, mass flow meters for gases, mass flow controllers for gases, gas meter modules, and differential pressure sensors. It serves appliances, automotive, building technology, consumer electronics, industrial automation, medical, internet of things, smart energy, and smart home markets. The company was founded by Feliz Mayer and Moritz Lechner in 1998 and is headquartered in Staefa, Switzerland.