Calibrating With Cal Tec Auto; Calibrating With Cal Con 2P; Calibrating With Cal Con 1P - Xylem wtw MIQ/IDS Operating Manual

MIQ/IDS
ba77277d01 01/2024
Bring the sensor into the measuring position.
Step 3:
After the calibration procedure has been finished the mainte-
nance condition has to be switched off manually. More detailed
information on the maintenance condition is given in the
IQ S
ENSOR
4.2.3 Calibrating with
Display indications when calibrating with CAL TEC AUTO
Display
* Have any two technical buffer
solutions ready.
* Rinse the sensor.
* Immerse the sensor in the first
buffer solution.
* Wait for a stable measured
value.
* Rinse the sensor.
* Immerse the sensor in the sec
ond buffer solution.
* Wait for a stable measured
value.
Successfully calibrated.
End of the CAL_TEC_AUTO cali
bration.
4.2.4 Calibrating with
Display indications during 2-point calibration with CAL CON 2P
Display
* Have buffer pH 7.0 ± 0.5 and
any second buffer solution
ready.
N system operating manual.
ET
CAL TEC AUTO
Explanation
You can use two different Technical buffer
solutions for this.
Confirm with
Follow the instructions on the display. As
soon as the measured value is stable, the
next display indication appears.
Follow the instructions on the display. As
soon as the measured value is stable, the
-
next display indication appears.
The values determined for
Asymmetry potential
-
Calibration is finished.
Confirm with
The display returns to the measured value
display.
CAL CON 2P
Explanation
For this calibration procedure, use two buf-
fer solutions whose pH value is known at the
current temperature:
 First buffer solution pH 7.0 ± 0.5
 Second buffer solution: arbitrary
.
<OK>
Slope
and
are displayed.
.
<OK>
pH
17