Maintenance, cleaning, replacement
SenTix
®
FET-D/B
34
5
Maintenance, cleaning, replacement
5.8
General maintenance instructions
Warning
Before doing any maintenance work disconnect the SenTix
®
FET-D/B
sensor from the meter and switch off the sensor.
Warning
The plug-in connection of the measuring tip and converter must not
come into contact with water. Always wipe the sensor dry before
removing the measuring tip and opening the converter.
Note
Information on how to order wear parts and maintenance equipment can be
found in chapter 8 W
EAR
PARTS
AND
ACCESSORIES
.
5.9
Exterior cleaning
Response time, sensitivity or measuring accuracy can be affected if the
sensor is contaminated. If contamination of the pH-sensitive area cannot be
removed with deionized water, clean it as follows:
Cleaning the
measuring tip
Wipe the measuring tip with a
cotton cloth and cleaning
agent (see below).
Then thoroughly rinse the
sensor with deionized water.