Warning lights
Red lights
"Laser emission"
The red lights on the control panel of the supply unit
and on the marking unit light up when the emission of
laser radiation is possible. The functioning of these
lights is monitored. In case of malfunction the system
cannot start the laser.
Additional warning
lights
Additional lights can be connected as external emis-
sion displays (system-specific).
NOTICE
When installing the laser make sure that at least one of the warning lights is al-
ways visible.
2.6 Dangers to Eyes and Skin
The laser system produces class 4 laser radiation. This radiation is emitted in the
infrared range and invisible to the human eye.
High irradiation causes an extreme local heating and burning of the tissue. The
eyes are subject to special risks: High radiation intensity causes a local heating
and burning of the cornea and thus a reduction or loss of sight!
WARNING
People within the area of the laser must wear suitable safety goggles against la-
ser radiation while carrying out maintenance, adjustment or service work on la-
sers with open laser housing and/or open beam delivery system!
Never look directly into the laser beam!
Suitable safety goggles provide protection against direct, specularly reflected or
diffusely scattered laser radiation. Suitable safety goggles are:
• designed for the wavelength range of a CO
2
laser of 10.6 μm (optional 9.3 or
10.2 μm). See ID label of the laser system.
Careful with confusions!
Safety goggles for other lasers, e.g. Nd:YAG lasers, do not provide adequate
protection against radiation of a CO
2
lasers!
• designed for the power range of the laser. Values of maximum average pow-
er:
Videojet 3140 : 10 W
Videojet 3340 : 30 W
Videojet 3640 : 60 W
In individual cases these values might be exceeded by up to 50 %.
For 60 W systems power values of up to 150 W are possible.
• designed for continuous wave operation.
09/17 - Index: AD [EN]
11
Videojet 3140/3340/3640/2 Safety Instructions
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