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You can measure the current speed and direction in 1-meter thick layers from the bottom to the surface. It is small, rugged, and suitable for multi-year operation in tough environments.

Download Nortek Aquadopp Current Meter Firmware for OS Independent

The mechanical design is all plastic and titanium to avoid corrosion. In stand-alone mode, the raw data are stored to the internal data logger and power comes from an external battery pack.

Online systems can be delivered with backup batteries, protected cables, shore side Nortek Aquadopp Current Meter units, and online software. The beauty of this method of measuring waves is that it circumvents the depth limits imposed by bottom mounted pressure and velocity measurements. Long waves swell and storm waves are rarely difficult to measure, however waves generated by local winds are challenging without AST.


Moreover, the AST also gives you the ability to derive wave parameters based on times series analyses. Ice measurements The surface is a strong acoustic reflector and this is true also when the water surface is covered with ice. As a result, the AWAC can Nortek Aquadopp Current Meter used to detect the interface between water and ice.

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  • Single Point Velocity Meter

Many Aquadopps are fixed mounted, either on surface buoys, on pilings, or on bottom frames. The main challenge is then to ensure that the measurements are undisturbed by the mounting structure.

VELPT Ocean Observatories Initiative

For every mounting structure there is a corresponding transducer configuration that allows high quality measurements to be gathered. In channels, rivers, and in harbors, the Aquadopp can be side-mounted on the wall to avoid sedimentation on the sensor head.

The acoustic beams are then Nortek Aquadopp Current Meter horizontally into the flow. In this case, the currents can be measured as far as 5m from the mounting point and the instrument operates as a 2D sensor, measuring only the two horizontal components. Finally, the Aquadopp can measure wave height, period, and direction using what is commonly is referred to as PUV processing.


This means that the 2D velocity U and V is measured at 1 Hz intervals along with the pressure sensor P and later processed Nortek Aquadopp Current Meter the Nortek QuickWave or Matlab routines that can be downloaded from the Nortek forum. As a wave sensor, the Aquadopp requires extra memory, but it is clearly the most cost-effective PUV instrument on market.

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For this purpose, Nortek Aquadopp Current Meter trials have been arranged and data acquired from a fixed platform in the North Sea in November and December and from a research vessel in the Norwegian Sea and the Barents Sea in November Data are analyzed, measured time series are compared to reference measurements and tidal current models, and statistical estimates of the measurement accuracy are calculated. Root-mean-square measurement errors of 0. The Aquadopp is probably the most versatile single-point current meter on the market. It is cost-effective, robust and has a Nortek Aquadopp Current Meter range of applications. Aquadopp m is a compact, accurate and affordable single-point current meter with PUV-based directional wave measurement capability as ement cell position‎: ‎ m (user-s.

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