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Instrument: D&A Instruments Optical Backscatter Sensor OBS-3

Acronym:
 OBS-3
External Identifier:
» skos:closeMatch http://vocab.nerc.ac.uk/collection/L22/current/TOOL0579/
Description

Optical backscatter instrument measuring scattering in water between 140 - 160 deg for a wavelength of 875nm. It has a turbidity range of 0-2000 FTU and a maximum working depth of 500m. This instrument was superseded by the OBS-3+ model in 2005. The D and A Instrument Company and its OBS product line were purchased by Campbell Scientific Inc who now has full responsibility for D and A Instruments.