Preventing contamination
To prevent contamination of the chamber, select a suitable installation site.
Avoid locations with high temperatures or humidity where the air may contain more
microorganisms.
Do not place the incubator near doors, air conditioners, fans, etc, where draughts and passage of
bodies may increase the risk of microorganisms entering the chamber.
If possible, use a cleanroom.
Use clean containers. Dirty containers are the greatest cause of contamination for cultures. Be careful
not to get containers or trays dirty when taking them in and out.
Keep the chamber clean. Wipe off any fingerprints. If water spills from the humidifying pan, or if the
doors are left open for a long time, condensation may form on the inside of the doors. Wipe off
condensation with a piece of dry sterile gauze. In particular, clean and disinfect the chamber if the culture
medium is spilt.
Use sterile distilled water in the humidifying pan. Do not use ultrapure water, which may cause red
rust-like particles in the humidifying pan. Clean the humidifying pan once a month.
Keep the incubator out of direct airflows from air conditioners or fans. Cool airflow from an air
conditioner may cause condensation and lead to possible contamination.
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