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Nortek Signature 1000/500 ADCP

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  • Nortek Signature 1000/500 ADCP
Nortek Signature 1000/500 ADCP
OceanScience Sea Spider
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Nortek Signature 1000 and Signature 500, are two advanced five beam current profiling systems, made with the most demanding scientific user in mind. Built on the entirely new AD2CP platform, Signature 1000 and Signature 500 are designed for unprecedented performance in high energy turbulent environments, while also giving users the freedom to employ two measurement schemes at one time.

Faster Sampling. Detecting variations is simplified if the instrument collects many independent current profiles in quick succession. The Signature 1000 features sampling rates as high as 16Hz, which effectively provide four times the information as previous instruments sampling at 4Hz.

Five Beams. To measure turbulent kinetic energy and even turbulent stress, five beams provide a significant advantage because all five second order variables can be estimated directly. This is in contrast to the mean current, which only requires three, or even just two beams to estimate all relevant velocity components.

AD2CP Broadband Technology. The use of new processing algorithms means that each velocity profile is more precise and has less instrument noise, making it easier to detect small velocity variations.