Application

1.Attended Samples (short-term measurements)

The detailed evaluation of the potential effects of railway vibration are usually assessed by taking sample measurements at a number of locations and examining the results in detail. The VM-56 directly measures the parameters for evaluating human response. Using the VM-56 with the VX-56RT third octave and/or the VX-56WR waveform recording options provides the data necessary to evaluate mitigation requirements and/or potential groundborne noise issues.
The VM-56 is ideally suited to attended measurements. It is easy and intuitive to use.
The bright, backlit display is easy to read in all lighting conditions.
The unit is lightweight and portable with sufficient battery life, from the internal AA cells, for a full day’s monitoring. Practical accessories, such as ground and wall mounting plates are available.
The VM-56 stores the measurement results as a CSV file onto a memory card which can
be opened directly into a spreadsheet program making the task of reporting very quick and easy.
The Waveform Recording Program VX-56WR and Waveform Analysis Software can be used if more detailed analysis is required.

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