Soft-db Opus Suite Data Logger Module Manuale Utente Scaricare il pdf (Pagina 30)

At any time, the computation parameters can be changed and the Recompute button can be used to

update the results.

The Do Graph Autoscale button allows adjusting the Y and X scales for the new data of the global

historic graph.

The next table explains the computation parameters:

Computation parameters

Description

The time step of the global level historic can be adjusted between

50ms and 60000ms.

The dB/Lin. parameter allows choosing the amplitude scale

format. The choices are dB, dB(A), Lin. rms, Lin. peak or Lin. rms2.

The Integration parameter allows application of simple or double

integration in the frequency domain for an acceleration

measurement. For the simple integration option, the power

spectrum is divided by jω. For the double integration option, the

spectrum is divided by –ω2.

This is the time window used for the power spectrum

computation.

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Soft-db Opus Suite Data Logger Module Manuale Utente Pagina 30