Vaisala

Vaisala

Vaisala is a Finnish technology company and global leader in environmental and industrial measurement instrumentation. Founded in 1936, Vaisala specializes in sensors and instruments for measuring humidity, temperature, dewpoint, CO2, and other atmospheric parameters. The company's products underpin national weather observation networks worldwide and are trusted in demanding industrial environments where precise environmental data directly affects product quality and process reliability.

Vaisala's instrumentation portfolio spans handheld meters, fixed transmitters, and calibration-grade probes engineered for long-term accuracy and stability. Their DM series dewpoint meters and GM series CO2 meters are widely used in compressed air quality verification, pharmaceutical cleanroom monitoring, and semiconductor fabrication where trace moisture and gas concentrations must be tightly controlled.

Key Product Lines

• DM series handheld dewpoint meters for compressed air and industrial gas moisture measurement
• GM series handheld CO2 meters for indoor air quality and process gas monitoring
• Industrial humidity and temperature transmitters for HVAC and building automation
• Meteorological sensors and probes for weather station networks and radiosonde systems

Industries Served

Vaisala instruments are used across national meteorological services, pharmaceutical and life sciences manufacturing, semiconductor fabrication, HVAC and building automation, compressed air and industrial gas systems, and power generation. The company also supplies sensors for aviation weather systems and environmental research institutions worldwide.