Information

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Class 1 The accessible laser radiation is harmless.
Class 1M The accessible laser radiation is harmless providing
no optical instruments, such as magnifying glasses or
binoculars are used.
Class 2 The accessible laser radiation is exclusively within the
visible spectral range (400 nm to 700 nm). It is also
safe for the human eye in case of short term exposure to
radiation (up to 0.25 s). A longer exposure is prevented
by the natural eyelid closing reflex.
Class 2M Like class 2 providing no optical instruments, such as
magnifying glasses or binoculars are used
Class 3R The accessible laser radiation is dangerous to the
human eye.
Class 3B The accessible laser radiation is dangerous to the human
eye and in special cases also to the skin.
Class 4 The accessible laser radiation is dangerous to the human
eye and dangerous to the skin. Diffuse radiation can also
be dangerous. The laser radiation can cause a danger of
fire or explosion.