Concept
Chelsea Technologies 4-pi Photosynthetically Active Radiation sensor HB 071
URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0480/ |
---|---|
Within Vocab | SeaVoX Device Catalogue |
Preferred Label | Chelsea Technologies 4-pi Photosynthetically Active Radiation sensor HB 071 |
Definition | A submersible instrument designed to measure irradiance over the 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 700nm, and 8% at 400nm The instrument has a depth rating of 500m. |
Broader |
L05:
radiometers |
Related |
B75:
Chelsea Technologies Group Ltd. |
Note | accepted |
Deprecated | false |
Alternative Label | CTG HB 071 4-pi PAR |
Version | 1 |
Has Current Version | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0480/1/ |
Authored On | 2012-03-15 11:46:48 |
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