IDRONAUT – Brugherio (MB) OCEAN SEVEN 310 CTD 01-2019
fully recharge the polarization device in a healthy condition before starting the
measurements.
BLUE CAP OPTICAL DISSOLVED OXYGEN SENSOR
A black cap is provided to protect the membrane from light. When the CTD is not used
protect the membrane by installing the black cap. Please, remove the black cap before
calibration and before deploying the CTD in water.
pH MEASUREMENT
The pH and reference sensors should never be allowed to dry out. For short-term storage of
up to one day, the probe’s sensor head can simply be immersed in water. If the probe
remains unused for periods longer than one day, always place the hydrating caps on both
sensors.
The pH sensor cap should be filled with the pH7 Buffer Solution (or simply with clean
water). The reference sensor cap should be filled with the Idronaut Reference Sensor Storage
Solution.
CTD SENSORs RE-CALIBRATION?CHECKING
A dedicated Windows software described at section F.7.3 allows to correctly capture data
from the CTD sensor during a re-calibration procedure or CTD sensors performance
checking cycle. Captured data can be saved in a txt file. The “OceanSevenCalibration”
software is freely distributed with the IDRONAUT ITERM software.
PROBE WASHING
After use, the probe must be always washed with fresh water to remove any salt water
residual or dirtiness.
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