YSI Hydrodata is a subsidiary of YSI Incorporated, a global business committed to sustaining the quality and viability of the Earth's water resources with the world's most accurate and reliable water quality and hydrology measurement technologies.

Located in Letchworth, UK, YSI Hydrodata distributes YSI and SonTek instruments and monitoring systems, providing training, installation, service, repair and calibration support services in addition to a full range of rental products.

The company's highly experienced and qualified engineers also provide monitoring services for water quality and hydrology.

SonTek products provide complementary water quantity monitoring capabilities (such as flow, velocity, and depth) to YSI's water quality monitoring portfolio.

Founded in 1948, YSI is an employee-owned company and enjoys a worldwide reputation for rugged instruments that provide accurate reliable data in even the most remote environments.

The YSI product portfolio includes advanced sensor technologies, handheld meters, multiparameter sondes, buoys and floating platforms, customised monitoring systems and networks, laboratory instruments and most recently a remote control autonomous underwater vehicle for water quality and bathymetry mapping.

Typical monitoring applications for YSI products include rivers, lakes, reservoirs, groundwater, marine, aquaculture, drinking water and wastewater.

For further information visit:
www.ysi.com
www.SonTek.com