Vaisala Instruments develops, manufactures and markets electronic measurement instruments and systems for environmental measurement and the measurement needs of industry. The product range includes transmitters, hand-held instruments, calibration equipment, sensors and systems for measuring: relative humidity, dewpoint, moisture in oil and natural gas, barometric pressure, carbon dioxide gas concentration, wind, weather.

These measurements are used to improve product quality, the efficiency of manufacturing processes, energy consumption, safety and the well-being of people. The division's products are used in numerous applications such as cleanrooms, pharmaceutical, automotive, building automation, biotechnology, metrology, pulp and paper, food industries, meteorology. Vaisala Instruments' solutions incorporate patented Vaisala sensor technologies, which guarantee accurate and reliable measurements.