Vaisala is established by Vilho Väisälä on the success of RS11
the first Vaisala radiosonde. The company starts radiosonde manufacturing in the basement of a residential building in the center of Helsinki. The first delivery of 20 radiosondes is sent to MIT, USA.
First radiosonde RS11
wins a gold medal at the World Fair in Paris.
New premises in Pasila, Helsinki
provide the office for the company. The company is named Mittari Oy, with 28 employees.
Radiotheodolite for upper-air wind measurement
is introduced. The Vaisala Sounding System becomes completely electronic.
The company moves to new premises in Vantaa, Finland
and changes its name to Vaisala Oy, leaving out the double dots from the Väisälä family name.
The first issues of Vaisala News customer magazine are published
Today the magazine provides stories and articles in both online and print formats
Vilho, Yrjö and Kalle Väisälä Foundation is established
when Vilho Väisälä donates 3,000 Vaisala shares to the Finnish Academy of Science and Letters. The fund provides annual grants to research in mathematics, physics, meteorology, and astronomy.
Thin-film technology for
HUMICAP® humidity sensors is developed.
The world-first groundbreaking technology revolutionizes the humidity measurement market. The new sensor is used to measure humidity both outdoors and indoors.
The first Automatic Weather Stations are developed
for collecting surface observations. This is the start of Vaisala's aviation weather business.
Vaisala's first cleanroom is built
enabling the design and manufacturing of semiconductors in-house. This marks the beginning of Vaisala's industrial business.
RS80 radiosonde family
brings a new standard in synoptic upper-air weather observation into the market.
Vaisala introduces Vaisala BAROCAP®
that is silicon barometric pressure sensor technology.
Professor Vilho Väisälä Award is established
by Vaisala and the World Meteorological Organization (WMO) for the best instrumentation paper in meteorology and related fields.
Vaisala becomes a public company.
The company’s A shares are listed on the Helsinki Stock Exchange.
CARBOCAP® and DRYCAP® expand industrials measurements
into carbon dioxide and dewpoint measurements. The CARBOCAP® carbon dioxide sensor is based on silicon technology and the DRYCAP® dewpoint sensor on thin-film polymer technology.
RS92 radiosonde family is launched.
The new high-performing sensors and GPS application for wind measurement are uniquely designed for radiosonde use.
New cleanroom provides industry-leading quality and reliability
enabling Vaisala to manufacture humidity, barometric pressure, carbon dioxide, and dewpoint sensors in-house.
New remote sensing road surface state instrument
utilizes infrared optics and laser technology.
Innovative C-band weather radar
provides accurate dual polar metric measuring and new concept in antenna design.
GLD360, a global lightning information service
provides accurate real-time lightning information.
Vaisala acquires Veriteq
a leading company in continuous monitoring systems to strengthen Vaisala’s position in the steadily growing global life science markets.
Vaisala's new head office opens
and receives the LEED Gold certificate. Most of the heating energy is generated by the building’s own geothermal energy system.
Vaisala acquires Second Wind and 3TIER
expanding into the renewable energy market with a wider range of products and services.
Vaisala launches the new Road Weather Station RWS200.
Combined with industry-leading decision support software, it provides intelligent weather information for road authorities.
Vaisala RS41 radiosonde
launches the 4th generation sounding system.
Vaisala Commits to Renewable Energy
aiming for 100% by 2020.
New moisture, hydrogen and temperature MHT410 transmitter
opens new opportunities in the power generation and transmission market.
Vaisala expands its offering to the growing air quality monitoring market
acquiring new products and technology.
Vaisala OptimusTM DGA Monitor for Transformers
is a new online measurement device for transformer dissolved gas analysis, building on unique technology to solve problems in transformer maintenance.
Vaisala acquires Finnish IT company Vionice
specialized in computer vision and artificial intelligence, bringing Vionice's product portfolio globally to its road and rail customers.