Safety
Warning Laser
Laser radiation of Class 2 (US: class II)
For Class 2 (US: class II) laser is short term exposure (up to 0.25 seconds) harmless to
the eyes and can therefore be operated without additional protective measures. However it
can cause irritation of the eyes if the natural avoidance reaction (staring into the laser beam
deliberately) or eyelid closure reflex is suppressed.
– Do not suppress the eyelid closure reflex.
– Do not stare directly into the laser beam.
– Close eyes, turn away.
– Never look at the laser beam directly with an optical instrument, e.g. a lens.
Warning Laser
Laser radiation of Class 4 (US: class IV)
Exposure to laser radiation of Class 4 (US: class IV) can cause injury to the eyes and skin.
– The skin and eyes must not be exposed to direct or reflected or scattered radiation.
– Wear suitable laser safety protection glasses.
– When dealing with Class 4 (US: Class IV) laser machines, it is necessary to appoint a
trained laser safety officer to evaluate potential hazards and to ensure that appropriate
control measures are implemented.
Notice
Laser classification
It is the responsibility of the operator to comply with the national official and statutory regulations
for the operation of a class 4 (US: class IV) laser system or laser system with a build in laser
source of class 4 (US: class IV).
Class 2 (US: class II)
The accessible laser radiation of Class 2 (US: Class II) laser systems does not pose any hazard for the skin.
Diffuse reflections as well as any short-term irradiation of the eyes (exposure time max. 0.25 seconds) also
pose no risk due to the low output power.
However, it is possible to suppress the natural eyelid closure reflex and stare into the class-2 laser beam for
a time long enough for the eyes to get injured.
16 ENGLISH (Translation)
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