Operation Manual

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200 380 780 1000 1200 1400
20 18 16 14 12 10
8 6 4 2 0
Light transmission curve Speedglas welding filters keep the welder protected from harmful UV and IR radiation. This protection remains always, in ON, OFF, dark and light state. The curve also shows that the
transmission in the light state is dominated
by
green light. Therefore the ”green” glass in
the welding filter.
UV
(ultraviolet) radiation – always blocked
(infrared) radiation – always blocked
VISIBLE LIGHT IR
Wavelength (nm)
Transmittance (%)