Concept
SeaTech transmissometer
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0003/2/ | |
|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | |
| Alternative Labels | SeaTech transmissometer | |
| Definition | SeaTech manufactured a range of transmissometers to measure optical attenuance, usually (but not exclusively) at red (660nm) light wavelengths. Path lengths varied from 5cm for use in turbid waters to 1m for use in the clear deep ocean. The instruments are no longer manufactured and no source of support is known. | |
| Date | 2010-11-18T12:39:41 | |
| Identifier | SDN:L22::TOOL0003 | |
| Note | accepted | |
| Is Version Of | TOOL0003 | |
| Previous Version | 1 | |
| version | 2 | |
| Broader | L19:SDNKG17 | sensor_model |
L05:124 | transmissometers | |
| Related | B75:ORG00001 | British Oceanographic Data Centre, Liverpool |
P01:TVLTZR01 | Raw signal (voltage) of instrument output by red light transmissometer | |
P01:TVLTZZ01 | Raw signal (voltage) of instrument output by transmissometer | |
P01:NVLTST01 | Raw signal (voltage) of instrument output by SeaTech light backscatter nephelometer (LBSS) | |
P01:ISEDTR01 | Concentration of suspended particulate material (inorganic) {SPM} per unit volume of the water body [particulate >unknown phase] by in-situ optical attenuance measurement and calibration against sample data | |
P01:OSEDTR01 | Concentration of suspended particulate material (organic) {SPM} per unit volume of the water body [particulate >unknown phase] by in-situ optical attenuance measurement and calibration against sample data | |
P01:TSEDTR01 | Concentration of suspended particulate material {SPM} per unit volume of the water body [particulate >unknown phase] by in-situ optical attenuance measurement and calibration against sample data | |
P01:POATCV01 | Potential attenuance (unspecified wavelength) per unit length of the water body by transmissometer and computation using P-EXEC algorithm | |
P01:ATTNZR01 | Attenuation (red light wavelength) per unit length of the water body by transmissometer | |
P01:PPOPPR01 | Potential transmittance (red light wavelength) per unit length of the water body by red light transmissometer and correction to a path length of 1m and for seawater compressibility | |
P01:ATTNZR02 | Attenuation (red light wavelength) per unit length of the water body by transmissometer (second sensor) | |
P01:POPTDR01 | Transmittance (red light wavelength) per 25cm of the water body by 25cm path length red light transmissometer | |
P01:POPTPR01 | Transmittance (red light wavelength) per unit length of the water body by red light transmissometer and correction to a path length of 1m | |
P01:ATTNMR01 | Attenuation (red light wavelength) per unit length of the water body by 20 or 25cm path length transmissometer | |
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