During summer vacation, instruments and meters should be placed in a dry environment with a relative humidity not exceeding 55%
When the instrument is not in use, take out all the testing liquid from the sample room, open the sample cover door, ventilate, and dry it,
If the instrument has a dust-proof cloth, cover it with a dust-proof cloth,
If there is a desiccant, place it in the sample room,
Cleaning steps for the appearance of instruments and meters:
First, wipe the surface of the instrument with a dry cotton cloth or wiping paper to remove dust or oil stains. Be careful not to damage the surface of the instrument.
Then use a clean and dry cotton cloth dipped in industrial alcohol to wipe the surface of the instrument, especially the metal and non-metal surfaces.