Endress+Hauser Cleanfit W CPA450, Руководство по эксплуатации

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Cleanfit W CPA450 Maintenance
Hauser 19
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 of the assembly or the sensor and are suspected carcinogens.
Type of contamination Cleaning agent
Greases and oils Hot water or tempered substances containing tensides (alkaline)
1)
or water-soluble organic solvents (e.g. ethanol)
1) do not use for Tophit ISFET sensors! Instead, use commercially available acidic cleaning agents for the food industry
(e.g. P3-horolith CIP, P3-horolith FL, P3-oxonia active).
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)
Fibers, suspended substances Water under pressure, poss. with surface-active agents
Light biological deposits Water under pressure