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Appendix C: Daily maintenance and cleaning
Daily maintenance:
Do not let the liquid crystal displayer be suffered from direct irradiation of sunshine
when storing or placing it.
Attention: Do not place the instrument or probe in fog, liquid or solvent for avoiding
damage of the instrument or probe.
Cleaning:
Usually check the instrument and the probe according to operation condition, and
clean the external surface of the instrument according to the following steps:
1.
Use a soft rag to wipe surface dust outside the instrument and the probe, and do not
scratch the transparent plastic protective screen when cleaning the liquid crystal
displayer.
2. Use a wet soft cloth to clean the instrument, and please cut off the power supply. For
more complete cleaning, please use a hydro-solvent of 75% of isopropanol.
To avoid damage of the surface of the instrument of probe, please do not use any corrosive
reagent or chemical cleaning reagent.
Before use, after the power on, please confirm that the instrument is completely dry so as to
prevent short circuit or even personal injury caused by moisture.