Concept
EcoMonitor PumpProbe Fluorometer
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0437/ |
|---|---|
| Within Vocab | SeaVoX Device Catalogue |
| Preferred Label | EcoMonitor PumpProbe Fluorometer |
| Definition | A submersible double-flash pulse fluorometer for continuous, in situ measurement of chlorophyll fluorescence parameters. It contains two excitation channels and one emission channel. One of the excitation channels provides a weak, probe flash used for measuring the fluorescence yield of Photosystem II (PSII). The other excitation channel provides a pump flash which is used for closing the reaction centres of PSII. Both excitation signals are generated by xenon flash-lamps. The light from the flash-lamps is collected by condensers and by a set of bluegreen excitation filters. The emission signal is collected by the emission condenser and filtered by a red filter before striking the photodetector. The instrument operates over a chlorophyll-a concentration range of 0.03-50 ug/l and has a depth range of 200 m. The excitation wavelength range is 400-550 nm and the registration wavelength range is >680 nm. The instrument was developed by the EcoMonitor Laboratory of the Moscow Institute of Engineering Physics and was used during the 1990s. |
| Broader |
L05:
active fluorometers |
| Related |
B75:
British Oceanographic Data Centre, Liverpool |
| Note | accepted |
| Deprecated | false |
| Alternative Label | EcoMonitor PProbe fluorometer |
| Version | 1 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0437/1/ |
| Authored On | 2011-11-07 15:23:52 |
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