Simultaneous PPV, VDV, Dominant Frequency & Displacement
The VM-56 is a groundborne vibration meter capable of simultaneously calculating the measurement quantities defined by DIN 45669-1, ISO 8041 and other national measurement standards. Like other Rion products, it is characterized by excellent build-quality and exceptional ease of use. It is suitable for a wide range of applications including attended measurements, unattended surveys and live-to-web monitoring.Applicable standards
・DIN 45669-1 : 2010-09
(Measurement of vibration immission -Part 1:Vibration meters - Requirements and tests)
＊Measurement range, measurement frequency range only
・ISO 8041 : 2005, ISO 8041-1 : 2017
(Human response to vibration - Measuring instrumentation)
High Quality & Easy of Use
 | Simultaneous measurement of multiple parameters including PPV and VDV. |
 | Simultaneous tri-axial measurement. Compact and lightweight design. |
 | Data stored as CSV files on an SD card. |
 | User definable PPV vs Frequency comparator output supports DIN 4150: Part 3 and other frequency-dependent PPV building damage criteria. |
 | Flexible product configuration with waveform recording function and 1/3 octave band analysis function available as optional programs. |
 | Suitable for use in a live-to-web system (please contact us for further details). |
Configuration Example for Remote Continuous Monitoring
Measurement results and data from the VM-56 can be accessed by computers, tablets or smartphones via a network connection for continuous remote monitoring.
Mounting options
| DIN Plate VP-54D |  |
| L-bracket VP-54L |  |
Option programs
Waveform Recording Program VX-56WR |
Allows recording vibration waveforms on SD card as WAV files. The recording process is carried out simultaneously with the standard VM-56 functions. *2 kHz sampling with 24 bit or 16 bit can be selected Max. recording time (at 16 bit) ・512MB：Approx. 6 hours ・2GB：Approx. 27 hours ・32GB：Approx. 470 hours |
1/3 Octave Band Analysis Program VX-56RT Coming soon
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Enables measurement and logging of 1/3 octave acceleration levels simultaneously with broadband
parameters (e.g. PPV, dominant frequency, VDV, MTVV). Can be used concurrently with VX-56WR. *User definable weighting -enables compliance with ISO 2631-2:1989/RD1367 
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Software / Report Creation
Waveform Analysis software for Groundborne Vibration AS-70GV Coming soonAllows use of WAV files recorded with VM-56 + VX-56WR for graph display, level processing,
frequency analysis (octave band analysis / FFT analysis), recalculation (PPV, KB, VDV) , and file output.
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Excel macro for report output(free of charge)
| Facilitates the creation of reports from measurement data. ■Data types: VM-56 auto store data,VX-56RT auto store data ＊Manual store data are not supported ■Measurement target: PPV, displacement,acceleration (rms), VDV,MTVV, KBFmax. value,veff,max. value 
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