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16.1.1
Calibration of the cell constant
CAL CELLCONST
CELLC
Fig. 79: Calibration of the cell constant
Calibration compared to a calibration
solution
Calibrating the compact controller for inductive conductivity
-1
1.0000cm
OK
CAL=ACCEPT
1.
Press
[CELLCONST] and confirm with
2.
Enter the temperature coefficient of the calibration solution.
Confirm with
3.
Now dip the sensor into the calibration solution and gently
move the sensor.
4.
Wait until the conductivity and temperature measured value
has stabilised.
Press
ð The conductivity value measured is displayed.
5.
Now use the
measured, in accordance with the conductivity value speci‐
fied on the calibration solution.
ð If calibration has been completed successfully, the con‐
6.
Press
CAL
CELLCONST
TCOEFF
ZERO
CAL CELLCONST
TCoeffCAL
1.90%/°C
CAL CELLCONST
µS
COND= 43,2
/cm @25°C
CAL_T=
155.0 °C
CAL=CONTINUE
CAL CELLCONST@25°C
COND=
043,975
and use the
or
The temperature coefficient of the calibration
solution is specified on the storage tank for
the calibration solution.
.
.
,
or
keys to set the conductivity value
troller stores the determined values for the cell constant
and the error checks relating to the measured value are
restarted. The numerical setting range of the cell con‐
stant is not limited.
twice to return to the continuous display.
µS
/cm
key to move the cursor to
.
A1865
113
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