wtw TetraCon 700-...Ex Series, Руководство по эксплуатации

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12 ba77055e01 05/2014
Maintenance, cleaning, disposal TetraCon
®
700-...Ex
5 Maintenance, cleaning, disposal
5.1 Maintenance
The TetraCon
®
700-...Ex conductivity measuring cell does not require
maintenance.
5.2 Cleaning
If the conductivity measuring cell is heavily contaminated, this can
affect the measuring accuracy. Therefore, we recommend cleaning the
conductivity measuring cell regularly according to visual checks. Espe-
cially before measuring low conductivity values, we recommend to
clean the measuring cell thoroughly.
Cleaning
5.3 Disposal
We recommend to dispose of the conductivity measuring cell as elec-
tronic waste.
WARNING
Contact with the sample can lead to danger to the user!
Depending on the type of sample, suitable protective
measures must be taken (protective clothing, protective
goggles, etc.).
Contamination Cleaning agents Reaction time at
room temperature
Water-soluble sub-
stances Tap water Any
Slurry and loosely
adhering dirt or bio-
logical films Soft brush, warm tap-
water with washing-
up liquid Any
Fats and oils – Warm water and
household
washing-up liquid
– In the case of
heavy
contamination:
Methylated spirits
– Any
– Maximum of 5
minutes
Lime and hydroxide
deposits Acetic acid (10 %) Any