8.5 Calibration of pH, ORP and
Fluoride Sensors
WARNING!
Incorrect metering due to incorrect
metering range
Possible consequence: Fatal or
serious injuries.
– The measuring range of the
sensor is essential for the meas‐
uring range!
–
If the assignment of the meas‐
uring range is modified, the set‐
tings must be checked in all
menus
– If the assignment of the meas‐
uring range is changed, the
sensor must be recalibrated
CAUTION!
Correct sensor operation / Run-in
time
Damage to the product or its sur‐
roundings
– Correct measuring and dosing is
only possible if the sensor is
working perfectly
–
Please read the operating manual
for the sensor
– It is imperative that the run in
periods of the sensors are
adhered to
– The run in periods should be
allowed for when planning com‐
missioning
During calibration, the DULCOMETER
®
D1Cb / D1Cc, see
Ä Chapter 1.2 ‘Users'
qualifications’ on page 10
sets the control
outputs to
‘0’
. Exception: a basic load or
a manual control value has been set. This
remains active. The mA standard signal
outputs are frozen.
When calibration/testing has been com‐
pleted successfully, all of the error checks
relating to the measured value are
restarted. The DULCOMETER
®
D1Cb / D1Cc stores the determined data
for zero point and slope. Refer to
Ä Chapter 10.6.2.7 ‘Calibration Logbook ’
on page 133
Measured Variables and Operating Menus for Potentiometric Sensors
87
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