In more than 130 years OTT has become Europa's largest manufacturer of complete hydrometric systems. Today our subsidiaries and representatives in more than 90 countries throughout the world supply efficient solutions in the fields of hydrometry, meteorology and environmental technology. Modern technology and high product quality are the main pillars of our product philosophy - at the time of the company foundation and today. This fundamental philosophy is reflected in our company structure (25% from the company staff are highly qualified employees in R & D department).The quality standard is confirmed by ISO 9001 Certification and controlled on a daily basis by internal quality control systems. Since 2002 our company belongs to the Danaher Corporation. In the field of water / water quality, OTT and Hydrolab form together the division of 'Hach Environmental', under the guidance of Hach Company. This division covers the needs of water quantity and quality measurement in natural waters and channels. We offer customised solutions according to the interests of our customers, from the single sensor to the country-wide measuring network for hydrometrical or meteorological applications. OTT focus on five fields of activities.
For a long time already we have offered the latest techonology in precipitation measurement. Products like 'Pluvio' and 'Parsivel' show decisive concepts of collection and classification of precipitation results - recognised and applied all over the world.