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- RION Tri-axial Groundborne Vibration Meter VM-56
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.
Tri-axial Groundborne Vibration Meter
Model:
VM-56
Maker:
RION CO.,LTD.
AppIicabIe standards
- DIN 45669-1 : 2010-09
(Measurement of vibration immission —Part 1 : Vibration meters ー Requirements and tests)
* Measurement range, measurement frequency range only - ISO 8041 : 2005, ISO 8041-1 : 2017 (Human response to vibration ー Measuring instrumentation
Tri-axial Groundborne Vibration Meter VM-56
Specifications
| Applicable standards | DIN 45669-1: 2010-09 (Frequency, Measurement range compliance), SBR Meten en beoordelen van trillingen, Deel A: Schade aan gebouwen 2010, Deel B: Hinder voor personen 2013, ISO 8041: 2005, ISO 8041-1: 2017, CE marking, WEEE directive | |
| Measurement functions | Tri-axial simultaneous measurement | |
| Measurement values | In accordance with DIN | Peak particle velocity |v|max (PPV) Dominant frequency fmg (D.F.) Weighted vibration maximum value KBFmax Maximum KBF value over 30-second cycle KBFT |
| In accordance with ISO | Corrected acceleration effective value Acc. Maximum transient vibration value MTVV Vibration dose value VDV Crest factor C.F. |
|
| In accordance with SBR | Maximum weighted vibration value veff, max Maximum veff over 30-second cycle veff, max, 30 |
|
| Others | Displacement (0-p value) Disp. Combined PPV for 3 axes PVS |
|
| Waveform recording (Option) | Time waveform of acceleration signal a(t) | |
| 1/3 octave band analysis value (Option) | Time-weighted time average, maximum acceleration Tri-axial synthesis of band max overall Law |
|
| Measurement frequency range | 0.5 Hz to 315 Hz | |
| Frequency bandwidth limits | For acceleration, velocity, and displacement signals, the following frequency range limits can be selected. Lower limit: 0.5 Hz, 1 Hz, 4 Hz Upper limit: 80 Hz, 100 Hz, 250 Hz, Sensor Dependent (LPF OFF) |
|
| Measurement range | Measurement frequency setting is 1 to 80 Hz, defining the following range | |
| Measurement range for VM-56 | Vibration velocity: 0.03 to 100 mm/s Weighted vibration amount: 0.02 to 100 mm/s (Reference 16 Hz) Maximum absolute waveform value: 0.05 to 100 mm/s (Reference 16 Hz) Vibration acceleration: 0.0003 to 10 m/s2 Displacement (0-p): 0.01 to 10 mm (0.5 to 4 Hz) |
|
| Measurement range compliant with SBR-Deel B Vibration velocity: 0.02 to 100 mm/s (Frequency bandwidth 1 to 80 Hz) |
||
| Instrument noise | Vibration acceleration | 0.0001 m/s2 (Measurement frequency range 1 to 80 Hz) |
| Vibration velocity | Max. 0.01 mm/s (Measurement frequency range 1 to 80 Hz) | |
| Frequency correction | No weighting (Common band filter for ISO and DIN / SBR band filter) KB (DIN 45669-1 compliant) Wb, Wd, Wm characteristics (ISO 8041 compliant) Hv (SBR-B compliant) |
|
| Measurement range | 2 switchable ranges, separate for 3 axes: 0.001 to 10 m/s2, 0.0001 to 1 m/s2 | |
| Dynamic range | Max. 100 dB | |
| Sampling frequency | 2 kHz | |
| Store modes | 3 modes (Manual, Auto, Timer Auto), Data format: CSV | |
| Manual | Measurement results stored with measurement start time in one memory address Data stored in internal memory or on SD card (Internal memory: max. 1000 tri-axial data sets, SD card: dependent on card capacity) Processed value store: PPV, Dominant Frequency (D.F.), KBFmax, MTVV, VDV, Crest Factor (C.F.), Displacement (Disp.), PVS, Overload and Under Range Flags for each calculation cycle. |
|
| Auto | Continuous storing of various types of processing results for each calculation cycle Data stored on SD card Store modes: Instantaneous store, calculation store, level trigger store • Instantaneous store: Acc. rms data stored every 100 ms • Processed value store: PPV, Dominant Frequency (D.F.), KBFT, MTVV, VDV, Crest Factor (C.F.), Displacement (Disp.), PVS, Overload and Under Range Flags for each calculation cycle. • Calculation cycle: 1 s to 24 h |
|
| Timer Auto | Processed values are continuously recorded for each store cycle at the set measurement start / stop time. Sleep function (power save mode until measurement start) available Data stored on SD card Store modes: Instantaneous store, Calculation store Sleep function (power save mode until measurement start) available Data stored on SD card Store modes: Instantaneous store, Calculation store • Instantaneous store: Acc. data stored every 100 ms • Calculation store: Processing results for each calculation cycle • Calculation cycle: 1 s to 24 h |
|
| Measurement time | Max. 200 days (Auto store mode only, with 100 ms off) | |
| Data recall | Store data name, store data browse, time browse, waveform yes/no check | |
| Setting memory | Up to 5 sets of settings can be stored in internal memory and on SD card, for later recall Startup with settings stored in a file on the SD card possible |
|
| Clock function | Year/Month/Day/Hour/Minute/Second, Daily error ±1 s, 10 ppm | |
| Display | Backlit semi-transparent color TFT LCD, WQVGA resolution (400 x 240 dots) Language: English only |
|
| Alarm indication | Signal overload indication, signal underload indication | |
| Signal output | 2.5 dia. output jacks, 3 separate channels | |
| AC output | AC output: 1 Vrms (full-scale) Frequency weighting for instantaneous value display and for AC output can be set separately Frequency range: 0.5 to 315 Hz |
|
| USB | Mass storage class: SD card recognized as removable disk Communication device (virtual COM port): Supports command based communication |
|
| RS-232C communications | Using dedicated cable (I/O terminal) | |
| Comparator output | Open-collector output (using I/O port) Max. applied voltage: 24 V Max. drive current: 50 mA (with 24 V applied voltage) Monitored Parameter: PPV (broad-band or user-definable PPV vs frequency function)＊3 |
|
| Power requirements | IEC R6 [size AA] battery x 8 or external power supply | |
| Battery life (23 ℃) | Alkaline battery LR6 (AA): 24 h , Ni-MH secondary battery: 24 h ＊Battery life will differ depending on settings. |
|
| AC adapter | NC-98E | |
| External power supply voltage | 5 to 7 V (rated voltage 6 V) | |
| Current consumption | Approx. 90 mA with factory default settings | |
| Power consumption | Approx. 7 VA on input side (220 V AC side) | |
| Dust and water proofing | IP54 rating (for main unit)＊2 | |
| Ambient conditions for operation | -20 ºC to +50 ºC, 90 % RH or less (no condensation) | |
| Dimensions and weight | Approx. 175 mm (H) x 175 mm (W) x 40 mm (D) mm, approx. 780 g (incl. batteries) | |
| SD card | SD / SDHC (max. capacity 32 GB)＊1 | |
| LED | Two-color (red/blue) type for operation status indication | |
| Supplied accessories | Accelerometer PV-83D, Alkaline battery, IEC R6 (size AA) x 8, Case x 1, 512 MB SD card x 1, Calibration Certificate |
|
| Accelerometer Tri-axial Accelerometer PV-83D (Cable: 1.5 m) |
Rated sensitivity: 60 mV/(m/s2) Frequency range: 0.5 Hz to 315 Hz Usage temperature range: -20 ºC to +60 ºC (no condensation) Waterproofing: IPX7 Dimensions and weight: Approx 67 mm (dia.) x 50.5 mm (D), approx. 450 g |
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＊1 Use RION fully guaranteed products.
＊2 Protection against harmful dust and water splashing from any direction.
Precautions regarding waterproofing
Before use, verify that the rubber side cover and the battery compartment lid are firmly closed.
To maintain the water and dust proof rating, internal packing replacement is required every two years (at cost).
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