DUTSCHER ClearLine UVT-B-AR User Instructions - Page 14

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7.6. Cleaning and decontamination. Disconnect the unit from the mains before cleaning.
Caution!
7.6.1. Model UVC/T-AR and shelves P-5 and F-1, full cleaning. Transparent panels and
shelves are made of acrylic glass (polymethylmethacrylate Altuglas
scratches and optical transmission capacity decrease if improperly cleaned. Use mild soap
and water with a soft cloth or sponge for cleaning the panels. Wipe excess water from inside
and outside the unit with an absorbent soft cloth or sponge.
recommended to use a special DNA/RNA removing solution (e.g. PDS-250). After washing
the inside parts of the box it is necessary to rub them dry.
Caution! Never use organic solvent based compounds, pure alcohol, alcoholcontaining
DNA-Exitus Plus™
RNase-Exitus Plus™
Hydrogen peroxide H
Ethanol C
Ethanol C
Note. Crazing is a normal process for acrylic glass panels exposed to open UV light.
7.6.2. Models UVC/T-M-AR, UVT-B-AR and UVT-S-AR, external cleaning. Glass panels on
the outside are coated in 4 mil clear film for UV protection. Film manufacturer
recommends using a soft sponge or cloth with common washing solution for glass,
removing excess and wiping dry. Do not use ethanol or other organic solvents.
7.6.3. Models UVC/T-M-AR, UVT-B-AR and UVT-S-AR, internal cleaning and
decontamination.
decontamination: 75% ethanol, sodium hypochlorite solution, DNA/RNA removing
solution (e.g. Biosan
PDS-250). After washing the inside parts of the box it is necessary to wipe them dry.
14
Do not let liquid get into the control box.
cleaners (more than 20%) or ammonia containing cleaners for acrylic
glass. Do not use abrasives. The table below shows the interaction of
acrylic glass with ethyl alcohol and other solutions.
Solution
Biosan PDS-250
O
2
H
OH ≤ 20%
2
2
H
OH > 20%
2
2
Crazing will occur over time. Crazing may occur within the warranty
period and is regarded as normal wear and not covered by the
warranty. Acrylic glass panels can be replaced.
The
following
Interaction with acrylic glass
6%
2
substances
®
EX) and are prone to
For decontamination, it is
No effect
No effect
No effect
No effect
No effect
Increasing effect. Do not use.
are
recommend
to
use
for