Chelsea Technologies 4-pi Photosynthetically Active Radiation sensor HB 071
|SeaVoX Device Catalogue
|CTG HB 071 4-pi PAR
|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.
|Is Version Of
|Chelsea Technologies Group Ltd.
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