CleanFit CPA 451
Maintenance
Hauser
17
5.3
Cleaning agents
The selection of the cleaning agent is dependent on the degree and type of
contamination. The most common contaminations and the suitable cleaning agents are
listed in the following table.
"
Caution!
Do not use organic solvents containing halogen or acetone. These solvents could
destroy plastic components on the assembly or the sensor and it is also partly
suspected that they cause cancer (e.g. Chloroform).
Type of contamination
Cleaning agent
Greases and oils
Substances containing tensides (alkaline) or water-soluble
organic solvents (e.g. Ethanol)
Calciferous deposits, metal hydroxide
deposits, lyophobic biological deposits
approx. 3% hydrochloric acid
Sulphide deposits
Mixture of 3% hydrochloric acid and thiocarbamide
(commercially available)
Protein deposits
Mixture of 3% hydrochloric acid and pepsin (commercially
available)
Fibres, suspended substances
Water under pressure, poss. with surface-active agents
Light biological deposits
Water under pressure
Summary of Contents for CleanFit CPA 451
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