Vaisala Inc

Manufactures high-quality instruments, systems and services for the measurement needs in the environment, meteorology, industrial research and production. Products include transmitters, hand-held meters and calibration equipment for measuring relative humidity and temperature, dewpoint, carbon dioxide, oxygen, moisture in oil, barometric pressure, wind, visibility, cloud height, and present...

Manufactures electronic measurement systems and equipment for meteorology and the environmental sciences, traffic safety, and industrial applications.