|Phone:||+35 8 9 894 91|
|Fax:||+35 8 9 8949 2227|
|Address:||(Postal address:) P.O. Box 26, FIN-00421 Vantaa, Finland. (Visiting address:) Vanha Nurmijärventie 21, 01670 Vantaa, Finland|
Vaisala Oyj (or Vaisala Group) is a Finnish manufacturer of environmental measurement systems, such as weather instruments, dropsondes, hygrometers, barometers, and other devices.
Vaisala has offices and operations in: Finland, Northern America, France, United Kingdom, Germany, Australia, China, Sweden, Malaysia and Japan.
Vaisala's customers often belong to one of these groups:
- industrial manufacturing companies
- national meteorological services
- aviation authorities
- road and rail authorities
- land and water resource management agencies
- research institutes
- insurance companies
- public utilities
- defense forces
Vilho Väisälä made some of the first radiosondes in the 1930s and founded a company called Mittari Oy to sell them commercially. They were extremely popular, and continue to be so. The company started using its current name in 1955.