Fast Light Yo-yo (FLY II) microstructure profiler
|Within Vocab||SeaVoX Device Catalogue|
|Alternative Labels||FLY II|
|Definition||A free-falling instrument designed to measure temperature, salinity and turbulent shear from near surface to within 15cm of the seabed. The instrument includes airfoil shear probes (the shear sensing element comprises a piezo-ceramic bimorph beam which generates an electrical charge in response to cross-axial forces), slow and fast response thermistors, a conductivity cell, two tilt gauges and a pressure gauge. A probe guard mounted at the lower end of the instrument protects sensors from bottom sediments. Data are transmitted back to the ship in real time through a neutrally buoyant line. The FLY series of instruments was developed in the 1980s by the Institute of Ocean Sciences, British Columbia and others, and built by Sy-Tech Research Ltd of Sidney, British Columbia. The instrument is no longer in production.|
|Has Current Version||1|
|L05 SeaDataNet device categories - (3)|
||British Oceanographic Data Centre, Liverpool||Mapping: 1448720|
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