HEALTH & SAFETY
1-8 L025317 Issue 1 March 2011
Harmful Dusts and Vapours
When radiating materials by means of a laser, harmful dusts and vapours can
be produced. The user is responsible for appropriate measures, e.g. an exhaust
system, to reduce such harmful dusts and vapours to a level that complies with
the allowed maximum concentration of pollutants at the work place.
Touching the Lens
Germanium and Zinc Selenide lenses are used in the D-Series laser system.
Lenses must not be touched.
If the lens has been soiled, it must be thoroughly cleaned (see “CLEANING
THE LENS” on page 5-3) before any operation.
The lens is not water resistant and must therefore only be cleaned with
Isopropyl Alcohol. Dry the lens using cotton swabs (Q-tips), ensuring the
surface of the lens is not scratched.
Class 2 The accessible laser radiation is visible and is harmless for
accidental exposure to eyes for periods of less than 0.25 seconds.
Class 2M The accessible laser radiation is visible and is harmless for
accidental exposure to eyes for periods of less than 0.25 seconds,
provided additional optical instruments are not used.
Class 3R The accessible laser radiation may be visible or invisible. It is
potentially harmful to eyes.
Class 3B The accessible laser radiation may be visible or invisible. Direct
radiation is harmful to the eyes and skin although diffuse radiation
(reflected from a matt surface) is harmless.
Class 4 The accessible laser radiation may be visible or invisible. Direct
and diffuse radiation is extremely harmful to eyes and skin and can
pose a fire risk if projected onto combustible materials.
The D-Series laser marking systems, taken by themselves, are
Class 4 and must not be used until suitable, interlocked guarding is
fitted to achieve a Class 1 laser installation that physically prevents
access to the laser radiation or automatically disables the laser
when access is required to the marking area (for cleaning or
maintenance, etc.).
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