Endress+Hauser TOCII CA72TOC - Page 93

TOCII CA72TOC Maintenance
Endress+Hauser 93
5 1. Rinse the sensor with deionized
water.
2. Hold the sensor in the buffer solution
pH = 7.00.
3. Press the [E] key.
6 1. Wait until the measured value
stabilizes (a bar appears to the right of
the measured value).
2. Press the [E] key.
Calculation of the calibration values.
Typical slope value: between
55 mV/decade and 58 mV/decade
7 1. Put the pH sensor into the strip
chamber.
2. Screw the cover of the strip chamber
closed hand-tight.
3. Press the [E] key.
Operation starts.
The following appears on the display if the adjustment failed:
Step Display Description
ADJUSTMENT pH SENSOR
[E] TO CONFIRM
RINSE SENSOR WITH DI WATER
PLACE SENSOR INTO SOLUTION pH= 7.00
X.XX
ADJUSTMENT pH SENSOR
[E] TO CONFIRM
MEASURED VALUE
ADJUSTMENT pH SENSOR
[E] TO CONFIRM
RE-INSERT pH-SENSOR