Oceantek Introduces 300 kHz ADCP for Coastal and Marine Surveys

Oceantek has introduced the Ocean-ADCP-300-PA5, a compact acoustic Doppler current profiler designed for coastal surveys, marine engineering and oceanographic monitoring. Announced on 2 November 2026, the instrument combines a 300 kHz five-beam phased-array transducer with current-profiling ranges of 120 meters in broadband mode and 160 meters in narrowband mode.

 

The profiler measures water current speed and direction at multiple depths, helping researchers and engineers assess coastal hydrodynamics, sediment movement and marine conditions. It supports up to 255 measurement cells, with adjustable cell sizes from 1 to 8 meters. Oceantek specifies velocity accuracy of ±0.5% ±5 mm/s, a resolution of 1 mm/s and current direction accuracy of ±2 degrees.

 

Integrated compass and tilt sensors compensate for instrument orientation and movement, supporting measurements from vessels and other marine platforms. Optional bottom tracking provides a velocity reference relative to the seabed over depths of 2 to 220 meters. The instrument delivers measurements at 2 Hz without bottom tracking and 1 Hz with bottom tracking enabled.

 

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The Ocean-ADCP-300-PA5 uses a titanium-alloy housing measuring 112 mm in diameter and 126 mm in length, with a maximum weight of 2.28 kg in air. It is offered with depth ratings of 1,000, 3,000, and 6,000 meters, although these ratings describe housing pressure resistance rather than current profiling distance.

 

The instrument consumes no more than 6 W on average and supports RS-232 or RS-422 communications, alongside 64 GB of local storage. Its direct-reading configuration supports real-time data collection, and an external battery and power converter are available as options.

 

Potential applications include coastal hydrodynamic studies, oceanographic research, environmental monitoring, and offshore engineering assessments. Oceantek has not disclosed customer deployments or independent performance testing results for the new model.

 

Source: Ocean ADCP