Xylem Oxi 3205 Dissolved oxygen (D.O.) meter User Manual

Page 40

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Oxi 3205

40

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03/2009

Salinity

The absolute salinity S

A

of seawater corresponds to the relationship

of the mass of dissolved salts to the mass of the solution (in g/Kg). In
practice, this dimension cannot be measured directly. Therefore, the
practical salinity according to IOT is used for oceanographic
monitoring. It is determined by measuring the electrical conductivity.

Salt content

General designation for the quantity of salt dissolved in water.

Slope (relative)

Designation used by WTW in the D.O. measuring technique. It
expresses the relation of the slope value to the value of a theoretical
reference sensor of the same construction type.

Stability control

Function to control the measured value stability.

Test sample

Designation of the test sample ready to be measured. Normally, a test
sample is made by processing the original sample. The test sample
and original sample are identical if the test sample was not processed.

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