WINDOW CLEANING
INSTRUCTION MANUAL
101
WINDOW CLEANING
The Laser Sentinel optical window needs periodical cleaning, and the frequency
depends on the type of environment in which the device operates.
It is recommended to use the anti-static cleaner (SLS-CLEANER order no.95ASE2990)
and the disposable cloths
(SLS-CLOTH order no.95ASE3000) to remove dirt and dust
deposits from the optical window.
Otherwise use a soft non-electrostatic cloth
and a non-aggressive and non-abrasive
cleaning agent.
In particular, the cleaning procedure depends on the kind of contamination:
Loose, abrasive particles
1. Vacuum without contact or gently blow away
2. Wipe free with cleaning cloth in one swipe
Loose, non-abrasive
particles
Vacuum without contact or gently blow away OR
Wipe away cleaning cloth in one swipe
Statically charged particles
1. Vacuum without contact
2. Wipe free in one swipe with cl
oth soaked in cleaning agent
Adhering particles
1. Wet with cloth soaked in cleaning agent
2. Wipe free with cleaning cloth in one swipe
Oil drops
Fingerprints
Water drops
Wipe free with cleaning cloth in one swipe
Deep scratches and cracks
Check detection capability. In case of failure, replace the win-
dow or the device
CAUTION
Contamination of the optical window (due to dust, oil, etc.) in the presence
of background reflection may impair the detection capability of the safety
laser scanner. Always keep the optical window free from contamination.
CAUTION
The device may present failure if the optical window is scratched or dam-
aged. In case of abrasive particle deposits, make sure to rub gently against
the window during cleaning to avoid any damage. If the window is
scratched, window or device replacement is recommended.
CONTAMINATION ACTION