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Measured Variables and Operating Menus for Potentiometric Sensors
8.6
Temperature correction value for pH and fluoride sensors
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 cali‐
bration lines (pH, fluoride) and to a displacement of the zero point with pH sensors or
the standard potential E
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
effects when connecting a temperature sensor (Pt 100/Pt 1000)
only with correction value
correction value
setting ?
Fig. 47: Temperature correction value for pH and fluoride sensors
Temperature correction value for pH and fluoride sensors in line with the identity code:
As per identity code
0
2
4
for fluoride sensors.
S
D1Cb / D1Cc then automatically compensates for both
®
correcting value
temperature
automatic
Possible values
Increment
off
off
Manual
Automatic
off
Manual
A0020_GB
Lower value
Upper value
99
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