Lists - wtw pH 3110 Operating Manual

pH 3110
Specialist terms
Adjusting
Asymmetry
AutoRange
AutoRead
Calibration
Electromotive force of
a combination
electrode
Junction
Measured parameter
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This chapter provides additional information and orientation aids.
The glossary briefly explains the meaning of the specialist terms.
However, terms that should already be familiar to the target group are
not described here.
Index The index helps you to find the topics that you are looking for.
Glossary
To manipulate a measuring system so that the relevant value (e. g. the
displayed value) differs as little as possible from the correct value or
a value that is regarded as correct, or that the difference remains
within the tolerance.
see zero point
Name of the automatic selection of the measuring range.
Function to control the measured value stability.
Comparing the value from a measuring system (e. g. the displayed
value) to the correct value or a value that is regarded as correct.
Often, this expression is also used when the measuring system is
adjusted at the same time (see adjusting).
The electromotive force U of the combination electrode is the
measurable electromotive force of an electrode in a solution. It equals
the sum of all the galvanic voltages of the electrode. Its dependency
on the pH results in the electrode function, which is characterized by
the parameters, slope and zero point.
The junction is a porous body in the housing wall of reference
electrodes or electrolyte bridges. It arranges the electrical contact
between two solutions and makes the electrolyte exchange more
difficult. The expression, junction, is also used for ground or junction-
less transitions.
The measured parameter is the physical dimension determined by
measuring, e. g. pH, conductivity or D.O. concentration.
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