Cleaning The Measuring Gap - wtw NiCaVis 705 IQ TS Operating Manual

NiCaVis 705 IQ TS
Proceeding
ba77189e01 05/2017

5.2.4 Cleaning the measuring gap

To remove lime or grease deposits, use the flocked cleaning cards together with
the following detergents:
Contamination
Lime deposits
Grease deposits
 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
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.
Cleaning agents
Hydrochloric acid 5 % for analysis
Mixture of isopropanol and water (approx. 70 % iso-
propanol), made of 7 volume parts isopropanol for
analysis and 3 volume parts ultrapure water
Maintenance and cleaning
ASIC CLEANING
.
41