PMT has been developed specifically for use in everyday production environments. Key features are its compact and robust design and quick, straightforward use. Thanks to the solid aluminum housing, the electronics are protected from knocks and dampness. In its folded-up state, the absorber shields the operating controls from damage. The microprocessor-based electronics measure the temperature of the absorber and calculate the power of the laser beam with a resolution of one watt. Thanks to the high resolution, measurements can be taken in a very wide power range with uniform accuracy. The exact power or the temperature can be selected on the large 4½-place display. The built-in lithium cell provides the PocketMonitor with the current for around 10,000 measurements.
Thanks to its compact design and simplicity of use, the PocketMonitor is used in environments where many laser beam sources are employed. Hence it is equally well suited to service engineers working for laser and machine manufacturers as it is to technicians in test facilities and laboratories. The portability of the device without any sort of internal connection is a decisive factor here.
The PocketMonitor measures laser power according to the ballistic principle. In this method, an absorber is irradiated with laser radiation for a defined period (10 s/20 s). Based on the warming and the known weight of the absorber after a thermalisation time, the irradiated power can be determined with a resolution lower than 1 W.
Power of continuous wave lasers at:
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