Polytec PSV 300, Hardware Manual

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                 
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              
The The
 
olytec olytec
 
canning canning
 
ibrometer ibrometer
 
measures the measures the two-dimensi two-dimensional onal
distribution of vibration velocities on the basis of laser interferometry. The distribution of vibration velocities on the basis of laser interferometry. The
system components are shown in
system components are shown in fi fi gu gu re re 2. 2. 1 1 ..
The interferometer signal is decoded in The interferometer signal is decoded in the the   with the velocity with the velocity
decoder decoder. An analog . An analog voltage signal is thus generated which is voltage signal is thus generated which is proportional to proportional to
the vibration velocity. the vibration velocity.
The The       is the is the central connection point between the system central connection point between the system
components and provides the interfaces for components and provides the interfaces for peripheral devices. peripheral devices.
The The     consists of the interferometer, the scanners to deflect the consists of the interferometer, the scanners to deflect the
laser beam and laser beam and a video camera to a video camera to visualize the measurement object. visualize the measurement object.
The measurement data is digitally recorded in the The measurement data is digitally recorded in the   . The software . The software
controls the data acquisition and controls the data acquisition and offers user-friendly functions to evaluate the offers user-friendly functions to evaluate the
measurement data. measurement data.
Figure 2.1: System components of the PSV Figure 2.1: System components of the PSV
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   
   