Concept
Hydroptic Underwater Vision Profiler 5 StandarD {UVP5} imaging sensor
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL2109/1/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | Hydroptic UVP5 SD | ||
| Definition | A submersible imaging sensor designed to study particles and zooplankton simultaneously and to quantify them in a known volume of water. The UVP counts and sizes all objects > 100 um and records images of aggregates and plankton > 700 um. It is usually operated as a stand-alone system, attached to a CTD-Rosette frame. The UVP5 acquires only in-focus images in a volume of water delimited by a light beam issued from red light-emitting diodes (LEDs) in approximately 100 microsecond flashes. The collimated light beam illuminates a sampling volume of approximately 1 litre per image which are acquired and processed at up to 20 Hz. When interfaced with conventional CTD measuring devices, the total abundance of particles can be displayed in real time, integrated with the CTD data. The system has a typical depth range of 6000 m. The standard model is equipped with a 1.3 megapixel camera (pixel size: 140-184 um). | ||
| Date | 2024-10-03T14:20:33 | ||
| Identifier | SDN:L22::TOOL2109 | ||
| Note | accepted | ||
| Is Version Of | TOOL2109 | ||
| version | 1 | ||
| Broader | L05:150 |
in-situ particle sizers | |
| Related | B75:ORG01772 |
Hydroptic | |
L35:MAN0150 |
Hydroptic | ||
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