Operation safety -2, Operation safety – Hypertherm LH2100 User Manual
Page 29

WARNING
It is the users responsibility to know what materials are being cut. Do not cut metal or other
materials coated or containing toxic substances, such as zinc (galvanized), lead, cadmium, beryllium
or asbestos unless the area is well ventilated and the operator wears an air-supplied respirator. The
coatings and any metals containing these elements can produce toxic fumes when cut.
DANGER
Lenses for cutting with CO
2
lasers contain Zinc Selenide (ZnSe) which can be very poisonous as dust
or vapor. If a lens breaks, proper cleanup and disposal must be immediately initiated.
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OPERATION
4-2
LH2125/LH2100 Laser Head Instruction Manual
DANGER
Visible or invisible radiation (class IV) can be present when the laser head door is open. Avoid eye
and skin exposure to direct and scattered radiation. Always follow safety precautions set by the
manufacturer of the laser system.
DANGER
Never put fingers or hands in the path of the beam. Visible and invisible radiation is emitted from the
nozzle aperture.
Operation safety
DANGER
Never put fingers or hands between the lens assembly and the laser head enclosure. Moving parts
can cause severe crush injuries.