Concept
Chelsea Technologies Group HB 071 4-pi photosynthetically active radiation sensor
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0480/2/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | CTG HB 071 4-pi PAR | ||
| Definition | A submersible instrument designed to measure irradiance over the 4-pi photosynthetically active radiation (PAR) spectral range. It includes two hemispherical sensors to provide a spherical field of view and uses a logarithmic amplification to provide light measurements over several orders of magnitude. It uses a photodiode with enhanced blue/green sensitivity which, when used in conjunction with blue-tint glass, produces a quantum response that is flat to +/- 3 % over the range 450 to 700 nm, and 8 % at 400 nm The instrument has a depth rating of 500 m. | ||
| Date | 2024-08-14T17:11:47 | ||
| Identifier | SDN:L22::TOOL0480 | ||
| Note | accepted | ||
| Is Version Of | TOOL0480 | ||
| Previous Version | 1 | ||
| version | 2 | ||
| Broader | L05:122 |
radiometers | |
L19:SDNKG17 |
sensor_model | ||
| Related | B75:ORG0237 |
Chelsea Technologies Group Ltd. | |
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