Xylem TitroLine 7800 Operating Manual page 26

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Fig. 32
Fig. 33
Fig. 34
The interchangeable unit and the cylinder size have to correspond. Otherwise the coding, which is memorized
within the interchangeable unit will no longer match the cylinder size. This will trigger incorrect dosage.
For the sake of dosing and analytical accuracy, it is also recommended to replace the PTFE piston each time
a defective glass cylinder is replaced. Broken glass may damage the sealing rings of the PTFE piston.
Glass cylinder
Piston rod
Piston rod