NOTE:
(1) For safety of eyes and skin, people should leave the room during UV sterilization.
(2)UV lamp should be checked regularly. It should be replaced when either the total working
time reaches 600 hours or the intensity is lower than the requirement.
d) Please move up the front window to reasonable height above the work table and turn on the
blower. Make sure the experiment should be started after fan working for at least 30 minutes.
NOTE: For operating safety, please put testing materials inside the cabinet in advance
After finishing the experiment, please fully close the front window, and make sure to sterilize the
cabinet by UV lamp for 30 minutes before turning off the cabinet.
2.4 Daily Maintenance
Before maintenance: Please remove all the items which are inside the cabinet.
Material needed: A piece of cotton cloth or towel, concentrated soap solution, hot water, clean water,
medical alcohol or disinfectant etc.
2.4.1 Clean the operating area surface
Wipe the entire surface with a soft cotton cloth which has been soaked with concentrated liquid soap.
Afterwards, wipe off the foam with another cotton cloth or towel which has been soaked with clean
hot or warm water. At the end wipe the entire surface with a dry cotton cloth or towel rapidly.
For the contaminated or dirty work surface and sump, use medical alcohol or other disinfectant to
wipe.
NOTE: Disinfectants used for wiping should not damage the 304 stainless steel.
2.4.2 Clean the external surface and front window
Use a piece of soft cotton cloth or towel with non-abrasive household cleanser to wipe the surface.
2.4.3 Comprehensive maintenance period
The recommended interval period for comprehensive maintenance is one year or 1000 working
hours.
2.4.4 Maintenance methods
1) Daily or weekly maintenance
a. Disinfect and clean the operating area (reference to 2.4.1);
b. Clean the external surface and front window (reference to 2.4.2);
c. Check the various functions of equipment;
d. Record down the maintenance result
2) Monthly maintenance
a. Clean the external surface and front window (reference to 2.4.2);
b. Use towel with 70% medical alcohol or 1:100 dilution of household bleach to wipe the working
table, the inner face of front window and the inner wall surface of the working area(exclude the top
wind grid). Use another towel with sterile water to wipe those area to erase remain chlorine.
c. Check the various functions of cabinet;
d. Record down the maintenance result
3) Annual maintenance
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