Concept
Hydroptic Underwater Vision Profiler 6 LP {UVP6} imaging sensor
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1578/3/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | Hydroptic UVP6 LP | ||
| 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 > 60 um and records images of aggregates and plankton > 620 um. The UVP6 acquires only in-focus images in a volume of water delimited by a light beam issued from a red laser diode in approximately 100 microsecond flashes. The collimated light beam illuminates a sampling volume of approximately 0.6 litre per image and the pixel size is 73 um. The images can be acquired at up to 20 Hz. The system weighs 1.6 kg in water and consumes very low power. It has been utilised in long term mooring, cabled observatories, CTD-rosette frames, gliders, AUVs, profiling floats and drifting lines. 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 low power model is fitted with a low power image processor allowing to adjust the mean power (<0.8 W) according to the acquisition rate (<1.3 Hz). | ||
| Date | 2024-10-03T09:54:55 | ||
| Identifier | SDN:L22::TOOL1578 | ||
| Note | accepted | ||
| Is Version Of | TOOL1578 | ||
| Previous Version | 1 , 2 | ||
| version | 3 | ||
| Broader | L05:150 |
in-situ particle sizers | |
L19:SDNKG17 |
sensor_model | ||
| Related | B75:ORG01772 |
Hydroptic | |
L35:MAN0150 |
Hydroptic | ||
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