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3
About this operating manual
This documentation describes the installation and operation of the CompactPowerMonitor CPM and per-
forming measurements using the CompactPowerMonitor CPM, the optional LaserDiagnosticsSoftware LDS
or the PowerMonitorSoftware PMS.
For measurement operation with a PC, the LaserDiagnosticsSoftware LDS (option) or the PowerMonitorSoft-
ware PMS must be installed on the PC. The PowerMonitorSoftware PMS is included in the scope of delivery.
For a detailed description of the software installation, file management and evaluation of the measured data,
please refer to the separate operating manual LaserDiagnosticsSoftware LDS.
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Conditions at the installation site
•
The device must not be operated in a condensing atmosphere.
•
The ambient air must be free of organic gases.
•
Protect the device from splashes of water and dust.
•
Operate the device in closed rooms only.
5
Introduction
5.1
System description
The CompactPowerMonitor CPM is a measuring device for the determination of the laser power of laser
beams in the multikilowatt range. The main field of application is the control of laser powers of CO
state lasers as well as high power diode lasers available at the work piece. The device is able to measure
both collimated and divergent beams.
5.2
Measuring principle
The CompactPowerMonitor CPM measures the laser power according to a calorimetric principle. The irradi-
ated laser power is absorbed by a water-cooled absorber inside the device. By measuring the cooling water
flow rate and the respective temperature difference between the inflowing and the outflowing water, the
absorbed power is determined.
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CompactPowerMonitor CPM
or solid-
2
Revision 02/2019 EN
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