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Verfügbare Sprachen
Verfügbare Sprachen
Maintenance and repair
Most common types of fouling and suitable cleaning agents
Fouling
Greases and oils
Limescale deposits, metal hydroxide
buildup, lyophobic biological buildup
Sulfide deposits
Protein buildup
Fibers, suspended substances
Light biological buildup
WARNING
L
Solvents containing halogens and acetone
Harmful if inhaled, can cause cancer (e.g. chloroform) and destroy plastic parts of the
assembly or sensor (acetone).
‣
Never use acetone or any solvents containing halogens.
10.2
Return
The product must be returned if repairs or a factory calibration are required, or if the wrong
product was ordered or delivered. As an ISO-certified company and also due to legal
regulations, Endress+Hauser is obliged to follow certain procedures when handling any
returned products that have been in contact with medium.
To ensure swift, safe and professional device returns, please read the return procedures and
conditions at www.endress.com/support/return-material.
10.3
Disposal
The device contains electronic components and must therefore be disposed of in accordance
with regulations on the disposal of electronic waste.
Observe the local regulations.
14
Suitable cleaning agent
Agents containing surfactants (alkaline agents) or water-soluble organic
solvents (halogen-free, e.g. ethanol)
Approx. 3% hydrochloric acid
Mixture of 3% hydrochloric acid and thiocarbamide (commercially available)
Mixture of 3% hydrochloric acid and pepsin (commercially available)
Pressurized water, surface-active agent if necessary
Pressurized water
Ecofit CPA640
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