Attention:

Please note that operations of the Sound Velocity Probe MIDAS SVP requires experienced scientific staff on board. The system is not operated by the ship's crew. Announce operations with the Sound Velocity Probe MIDAS SVP to AWI-Logistics prior to the cruise and clarify the data transfer after the cruise.

Summary

MIDAS Sound Velocity Profiler is used for measuring the speed along a vertical transect through the water column up to 6000m water depth.

Manufacturer Valeport
Model MIDAS
Serial No. 31665
Type sound velocity sensors
REGISTRY-Link ↪ REGISTRY (8566)

Transducer Frequency

Contacts

Name Institution Role
FIELAX GmbH FIELAX Gesellschaft für Wissenschaftliche Datenverarbeitung mbH Engineer In Charge

Components

The sound velocity probe consits of the probe, the mounting cage and the computer (XPC3 in dry lab) with the installed software DataLog Express. RS232 interface connects the computer to the probe. The sound velocity profiles can be transferred to the computer of the multibeam echo sounder EM712 via the computer network.


No subdevices available.

Position

Infono xyz-position given. The device is stored in the laboratory on the main deck.
X0.0 (no unit given)
Y0.0 (no unit given)
Z0.0 (no unit given)

Data logging, storage and archiving

Logged parameters

Parameter O2ARegistry Output Type Unit
pressure pressure bar
sound velocity sound velocity m/s
water temperature water temperature °C

Rawdata storage on board

The sound velocity probe measures the sound velocity in temporally equidistant intervals and stores the data to the internal flash drive. Import of the data from the probe to the computer is conducted with the data processing software DataLog X2. There is no designated central sound velocity data storage location. The operator is in charge of sound velocity data storage for further use, e.g. data transfer to the multibeam echo sounder EM712.

DShip

The data are not transferred to DShip.

Data archiving on land

The operator is responsible for data archiving on land.

Documentation

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