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Measured Variables and Operating Menus for Potentiometric Sensors
8
Measured Variables and Operating Menus for Potentio‐
metric Sensors
Users' qualification: instructed per‐
n
Ä Chapter 1.2 'Users' qual‐
sons, see
ifications' on page 10
Measured variables pH, ORP, fluoride
CAUTION!
Influence of temperature on the pH or
fluoride measurement
Possible consequence: Slight or
minor injuries. Material damage.
Temperature changes in the sample
water lead to a change in the slope of
the calibration lines (pH, fluoride) and
to a displacement of the zero point
with pH sensors or the standard
potential E
for fluoride sensors.
S
Measure to be taken to avoid this
danger:
–
The pH or fluoride measurement
should only be carried out in the
[Temperature Correction Value
automatic] setting
–
The DULCOMETER
D1Cc then automatically compen‐
sates for both effects when con‐
necting a temperature sensor
(Pt 100/Pt 1000)
®
D1Cb /
81
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