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4 cleaning the measuring gap, Cleaning the measuring gap -4 – YSI CarboVis 705 IQ TS User Manual

Page 42

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Maintenance and cleaning

CarboVis 70x IQ TS

5 - 4

ba75950e02

11/2012

5.2.4 Cleaning the measuring gap

To remove lime or grease deposits, use the flocked cleaning cards

together with the following detergents:

Proceeding

Start by removing any lime deposits.

Soak a flocked cleaning card with the relevant detergent and use it

to clean the measuring windows according to step 6. in section

5.2.3 B

ASIC

CLEANING

. If necessary, leave the cleaning card in the

measuring gap for a few minutes so the detergent can take effect.

Thoroughly rinse with ultrapure water the measuring gap and the

surrounding areas moistened with detergent.

Then wipe the measurement window with a lens tissue. The surface

of the measurement windows must be free of streaks.

Protect the cleaned sensor against new contamination.

Contamination

Cleaning agents

Lime deposits

Hydrochloric acid 5 % for analysis

Grease deposits

Mixture of isopropanol and water (approx.

70 % isopropanol), made of 7 volume parts

isopropanol for analysis and 3 volume parts

ultrapure water

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