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9. Maintenance record
Installer
Object
Installation date:
pH value upon initial operation:
Conductivity upon initial operation:
Serial number:
Date
Colour of
rinsing
water
Water residue free yes/
no
Metre reading, if
available
Conductivity
μS/cm
pH-value
mA metre
Anode replace-
ment
yes/no
Executor
Note: Keep this document on the device and record properly. It serves as proof of maintenance.