38
Pantera 1M60 and 1M30 User’s Manual
DALSA
03-032-10033-09
an improper handling procedure that does not appear to be damaging the cameras
immediately may cause damage with a change in environmental conditions.
Protecting Against Dust, Oil, and Scratches
The CCD window is part of the optical path and should be handled like other optical
components, with extreme care.
Dust can obscure pixels, producing dark patches on the sensor response. Dust is most
visible when the illumination is collimated. The dark patches shift position as the angle of
illumination changes. Dust is normally not visible when the sensor is positioned at the
exit port of an integrating sphere, where the illumination is diffuse.
Dust can normally be removed by blowing the window surface using clean, dry,
compressed air, unless the dust particles are being held by an electrostatic charge, in
which case either an ionized blower or wet cleaning is necessary.
Oil is usually introduced during handling. Touching the surface of the window
barehanded will leave oily residues. Using rubber fingercots and rubber gloves can
prevent contamination. However, the friction between rubber and the window may
produce electrostatic charge that may damage the sensor.
Improper handling, cleaning or storage of the sensor can cause scratches. Cameras
should not be stored in containers where they are not properly secured and can slide
against the container.
Scratches diffract incident illumination. When exposed to uniform illumination, a camera
with a scratched window will normally have brighter pixels adjacent to darker pixels. The
location of these pixels will change with the angle of illumination.
Cleaning the Sensor Window
1. Use clean, dry, compressed air to blow off loose particles. This step alone is usually
sufficient to clean the sensor window.
2. If further cleaning is required, use a lens wiper moistened with alcohol.
3. We recommend using lint free, ESD safe cloth wipers that do not contain particles
that can scratch the window.
4. Wipe the window carefully and slowly.
5.2 Maintenance
There are no user serviceable parts on this camera. Please contact DALSA service.
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