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Revision 01/2019 EN
PowerLossMonitor PLM
1 Basic safety instructions
Intended use
The PowerLossMonitor PLM is used to determine power losses at water-cooled optical components of a
laser beam guidance. Please mind and adhere to the specifications and limit values given in chapter15,
„Technical data“, on page28. Other forms of usage are improper. Other uses are considered to be im-
proper. The information contained in this operating manual must be strictly observed to ensure proper use of
the device.
Using the device for unspecified use is strictly prohibited by the manufacturer. By usage other than intended
the device can be damaged or destroyed. This poses an increased health hazard up to fatal injuries. When
operating the device, it must be ensured that there are no potential hazards to human health.
The device does not emit any laser radiation. However, the device is installed in close proximity to laser beam
systems. Hence, valid safety regulations are to be observed and necessary safety measures are to be taken.
In measuring mode, the laser control’s safety interlock must be connected with the device.
Observing applicable safety regulations
Please observe valid national and international safety regulations as stipulated in ISO/CEN/TR standards as
well as in the IEC-60825-1 regulation, in ANSIZ136 “Laser Safety Standards” and ANSIZ136.1 “Safe Use
of Lasers”, published by the American National Standards Institute, and additional publications, such as the
“Laser Safety Basics”, the “LIA Laser Safety Guide”, the “Guide for the Selection of Laser Eye Protection”
and the “Laser Safety Bulletin”, published by the Laser Institute of America, as well as the “Guide of Control
of Laser Hazards” by ACGIH.
Necessary safety measures
If people are present within the danger zone of visible or invisible laser radiation, for example near laser
systems that are only partly covered, open beam guidance systems, or laser processing areas, the following
safety measures must be implemented:
• Connect the laser control’s safety interlock to the device. Check that the safety interlock will switch off
the laser properly in case of error.
• Please wear safety goggles adapted to the power, power density, laser wave length and operating
mode of the laser beam source in use.
• Depending on the laser source, it may be necessary to wear suitable protective clothing or protective
gloves.
• Protect yourself from direct laser radiation, scattered radiation, and beams generated from laser radiation
(by using appropriate shielding walls, for example, or by weakening the radiation to a harmless level).
• Use beam guidance or beam absorber elements that do not emit any hazardous substances when they
come in to contact with laser radiation and that can withstand the beam sufficiently.
• Install safety switches and/or emergency safety mechanisms that enable immediate closure of the laser
shutter.
Employing qualified personnel
The device may only be operated by qualified personnel. The qualified personnel must have been instructed
in the installation and operation of the device and must have a basic understanding of working with high-
power lasers, beam guiding systems and focusing units.
Conversions and modifications
The device must not be modified, neither constructionally nor safety-related, without our explicit permission.
The device must not be opened e.g. to carry out unauthorized repairs. Modifications of any kind will result in
the exclusion of our liability for resulting damages.
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