terra4 – Gesellschaft für Geosystemanalyse mbH (short: terra4 GmbH) represents 6 manufacturers and developers of sensors and data loggers for measurements in oceanography, hydrology and environmental monitoring.
Nortek AS, Norway: Acoustic Doppler Current Profilers (ADCP), current meters and DVLs for use in the ocean, rivers, lakes and laboratories.
Rockland Scientific, Canada: Measurement of turbulent flow in the marine environment. The measurement systems are used in a multitude of disciplines such as Renewable Ocean Energy, and Coastal Management.
Precision Measurement Engineering, USA: Exceptionally accurate, long-lasting and uniquely designed freshwater and oceanographic research devices.
Turner Designs, USA is specialized in providing sensitive, reliable and easy-to-use fluorometers for environmental and industrial uses.
NKE Instrumentation, France: Autonomous data loggers and automated systems for the measurement and the monitoring of oceans and fresh waters.
Ayyeka, Israel: Industrial Internet of Things (IIoT) technology company to simplify the process of delivering data from remote infrastructure and dispersed, and integrate into any SCADA or software platform.