07/2020
Corona II
– LED Line Scan Illumination
PMA_CHR_CD40069_R05_Manual_Corona-II_XLC4
65
5.6 Screen (ID 6)
5.6.1 Standard screens
For different applications there are different screens available. They differ in the grade of
diffusion as well as in the material, e.g. acrylic glass for food inspection applications.
Diffusion
Mineral glass
Acrylic glass
Low diffusion
ID6=1
Etching:
GW 55
ID6=3
Medium diffusion
ID6=7
Etching:
GW 4
ID6=4
Strong diffusion
ID6=0
(Only for ID2=H)
5.6.2 Glass (linearly polarized) (ID 6 = 2)
With option “polarizer” active, the Corona II provides linear polarized light output.
In Combination with a 90-degree rotated polarizer in front of the camera, unwanted light
reflexes are eliminated almost completely.
Figure 5-58
Polarization screen
5.6.3 Acrylic glass (ID 6 = 3)
MAINTENANCE
Cleaning Directions
Washing - Wash Plexiglas® sheet with a mild soap or detergent and lukewarm water solution.
Use a clean soft cloth or sponge and as much solution as possible. Rinse well. Dry by blotting
with a damp cloth or chamois.
Do not use: Window cleaning fluids, scouring compounds, gritty cloths, leaded or ethyl
gasoline or solvents such as alcohol, acetone, carbon tetrachloride, etc.
To remove tar, grease, paint, etc., use a good grade of naphtha or kerosene. Users of these
solvents should become familiar with their properties to handle them safely.
