Teledyne Oceanscience Underway CTD
|Within Vocab||SeaVoX Device Catalogue|
|Alternative Labels||Teledyne UCTD|
|Definition||A low-drag, high-accuracy, retrievable Sea-Bird CTD probe used to collect measurements of conductivity, salinity, temperature and depth while a ship is underway. It can be used for static profiles (while the ship is stationary), tow-yo casts, or free casts. The probe samples conductivity, temperature, and depth at a sampling rate of 16 Hz while descending vertically through the water column. The data are stored internally and downloaded wirelessly via Bluetooth to a host computer after deployment. The sensor is connected to a tail spool via a simple turn-and-lock mechanism, which in turn is attached to the line on the winch. The UCTD system comes equipped with a universal power supply that accepts 90-264 VAC (47-63 Hz). It supplies the winch and rewinder with the required 24 V DC voltage. The receptacles have different form factors to prevent connection errors by the operator. This instrument is depth rated to 2000m. The conductivity (S/m) range is 0-0 with a resolution of 0.0005 and accuracy of 0.002-0.005; the depth (dbar) range is 0-2000 with a resolution of 0.5 and accuracy of 1; The temperature (degrees Celsius) range is -5-43 with a resolution of 0.002 and accuracy of 0.004; The salinity (PSU) range is 0-42 with a resolution of 0.005 and accuracy of 0.02-0.05. It can be operated at ship speeds up to 20 knots. The profiling depth capability depends on the vessel speed and type of cast, at 0kts, 2kts, 4kts, 6kts, 8kts, and 10kts respectively the depth capability of freecasts are 1500m, 1100m, 900m, 700m, 650m, and 600m, for tow-yo (no line on tail) deployments the capabilities are 1000m, 700m, 550m, 450m, 400m, and 350m.|
|Has Current Version||1|
||CTD undulators||Mapping: 1742259|
||Teledyne Oceanscience||Mapping: 1742329|
||Teledyne Oceanscience||Mapping: 1742265|
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