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7. Cleaning
•
Only use conventional mild washing-up liquid
and never aggressive detergents.
•
Make very sure that no moisture gets inside the
equipment.
•
Unplug the power supply to turn off the equip-
ment.
•
Clean the equipment using a slightly damp and
non-fluffy cloth.
U
e
0
eV
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
480
U
e
0
eV
0.80
0.75
0.70
0.65
0.60
0
Fig. 2 Critical voltage U
3B Scientific GmbH • Rudorffweg 8 • 21031 Hamburg • Germany •
500
520
540
560
U ⋅
Fig.1 Critical energy
20
40
against light intensity I at a wavelength of 472 nm
0
Subject to technical amendments
© Copyright 2010 3B Scientific GmbH
8. Changing fuses
•
Any blown fuses may only be replaced with a
fuse matching the original.
580
600
620
640
e
against frequency f
0
60
80
www.3bscientific.com
f
THz
I
100
%
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