Aanderaa Data Instruments AS designs reliable sensor systems for oceanographic and environmental measurement. Founded in the early 1960s by Ivar Aanderaa, the company draws on more than 50 years of experience serving scientific research and industry. Its instruments are built to deliver dependable data in harsh environments, supported by a continuing focus on product quality and customer service.

Aanderaa’s portfolio includes current meters, wave sensors, oxygen optodes, and instruments for measuring conductivity, pressure, temperature, tide, and turbidity. Its SeaGuard Sensor String systems provide flexible subsea observatories that can combine measurements such as dissolved oxygen, current, and pressure. The company also offers data delivery products, observatory systems, and related software and documentation.

Its solutions serve environmental research, marine transportation, oil and gas, aquaculture, and road and traffic applications. Featured areas include offshore operations, coastal research, ports and harbors, and oceanography. Aanderaa also provides service and repair, product support, documents, and training, helping customers deploy instruments in real-time or autonomous configurations.