TOCII CA72TOC Maintenance
Endress+Hauser 91
7.8.4 Adjusting the pH sensor
This section describes how to remove and install the pH sensor, and how to perform two-point
adjustment on the pH sensor.
a0012478
Fig. 50: Position of the sensor
To adjust the pH sensor, you require:
• Deionized water
• Buffer solution pH = 4.00
• Buffer solution pH = 7.00
• Paper towels to absorb liquid
• Vessel to collect liquids
a0012176
Fig. 51: Strip chamber and separation chamber
1pH sensor
2Cover
3 Thread adapter nut
4 Strip chamber