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Products Infomation
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- Rion Vibration Level Meter VM-55
Vibration Level Meter compliant with the Japan Measurement Act and JIS C 1510: 1995 and JIS C 1517: 2014.
The Vibration Level Meter VM-55 is compliant with JIS C 1510 : 1995 and JIS C 1517 : 2014.
The unit is equipped to measure the instantaneous value for vibration level and vibration acceleration level, as well as the time percentile level, time averaged level, maximum and minimum values in three axes simultaneously.
Vibration Level Meter
Model:
VM-55
Maker:
RION CO.,LTD.
Features
- Simultaneous measurement of Lv and Lva
- Extended function program cards
- 27 hours of measurement with IEC R6(size AA)
- Dust and water proofing IP54
Specifications
| Type Approval Number | No. TW161 | ||
| Applicable standards | Weight and Measure Act (Vibration Level Meters) JIS C 1510:1995, JIS C 1517:2014 CE marking, WEEE Directive, Chinese RoHS (export model for China only) |
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| Measurement functions | 3-axis simultaneous measurement supported Vibration level Lv and vibration acceleration level Lva Maximum value hold for vibration level and vibration acceleration level |
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| Processing measurement (processing values) | Time average level Leq for vibration level and vibration acceleration level Time percentile level L5, L10, L50, L90, L95 for vibration level and vibration acceleration level Maximum value Lmax for vibration level and vibration acceleration level Minimum value Lmin for vibration level and vibration acceleration level |
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| Measurement frequency range | Vibration level | 1 to 80 Hz | |
| Vibration acceleration level | 1 to 80 Hz | ||
| Measurement level range | Vibration level, vertical direction | 25 to 129 dB | |
| Vibration level, horizontal direction | 30 to 122 dB | ||
| Vibration acceleration level | 30 to 129 dB | ||
| Residual noise level | Vibration level, vertical direction | 19 dB or less | |
| Vibration level, horizontal direction | 24 dB or less | ||
| Vibration acceleration level | 24 dB or less | ||
| Frequency weighting | Vertical vibration characteristics (according to Weight and Measure Act or JIS), horizontal vibration characteristics (according to JIS), planar characteristics (according to JIS) |
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| Level range | 10 dB steps, 6 switchable ranges, independent for 3 axes 0 to 70 dB, 10 to 80 dB, 20 to 90 dB, 30 to 100 dB, 40 to 110 dB, 50 to 120 dB |
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| Linearity range | 80 dB | ||
| RMS detection circuit | Digital processing, time weighting characteristics 0.63 seconds | ||
| Sampling cycle | For time average level, maximum value, minimum value, maximum value hold: 125 μs (sampling frequency 8 kHz) For time percentile level: 100 ms |
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| Store modes | 3 modes: Manual, Auto＊2, Timer Auto＊2 | ||
| Manual | Measurement results are stored along with measurement start time in one memory address Data stored either in internal memory or on SD card Internal memory can hold up to 1 000 sets of 3-axis data, storage on SD card depends on card capacity |
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| Instantaneous value and maximum hold value store | Vibration level Lv and vibration acceleration level Lva instantaneous values and maximum hold values (current at the point when the pause key is pressed) are stored | ||
| Processing value store | Various processing values obtained in manual mode are stored | ||
| Auto＊2 | Continuous store of vibration level Lv and Vibration acceleration level Lva instantaneous values Data stored on SD card only (not in internal memory) | ||
| Timer Auto＊2 | Continuous store of vibration level Lv and Vibration acceleration level Lva instantaneous values and processing values Measurement start time and end time can be set, with measurement carried out for 10 minutes at each full hour. Sleep function (power save mode until measurement start) available Data stored on SD card only (not in internal memory) |
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| Measurement time＊ | Measurement time in Manual store mode Processing measurement with selected measurement time supported 500 seconds, 10 seconds, 1 minute, 5 minutes, 10 minutes, 15 minutes, 30 minutes, 1 hour, 8 hours, 24 hours, User-specified (1 to 59 seconds, 1 to 59 minutes, 1 to 24 hours) |
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| Total measurement time | Measurement time in Auto / Timer Auto store mode Processing measurement with selected measurement time supported 500 seconds, 10 seconds, 1 minute, 5 minutes, 10 minutes, 15 minutes, 30 minutes, 1 hour, 8 hours, 24 hours,User-specified (1 to 59 seconds, 1 to 59 minutes, 1 to 1 000 hours) |
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| Lv store cycle | Store interval for instantaneous value data in Auto and Timer Auto store modes Available settings are 100 milliseconds and 1 second. |
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| Leq processing cycle＊ | Interval for calculation of Leq, LN and other processing data in Auto and Timer Auto store modes 500 seconds, 10 seconds, 1 minute, 5 minutes, 10 minutes, 15 minutes, 30 minutes, 1 hour, 8 hours, 24 hours, User-specified (1 to 59 seconds, 1 to 59 minutes, 1 to 24 hours) |
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| Pause function | Pause/resume possible during instantaneous value measurement and Manual processing measurement Pause function not available in Auto and Timer Auto modes and during waveform recording |
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| Marker＊2 | Two types of marker functions available Available only in Auto and Timer Auto store modes when setting Lv store cycle |
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| Data recall | Function for viewing stored data | ||
| 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 |
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| Clock function | Internal clock enables adding date and time information to stored data and also allows automated processing measurement using a timer | ||
| Display | Backlit semi-transparent color TFT LCD, WQVGA resolution (400 x 240 dots) | ||
| Bar graph update cycle: 100 milliseconds, numeric indication update cycle: 1 second, Languages: English and Japanese, with Help function |
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| Alarm indication | Signal overload indication: Full-scale +10.0 dB Signal underload indication: Full-scale -70.5 dB |
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＊1 When the Measurement Time is set to “500s”, time percentile level LN is calculated based on the instantaneous value every 5 seconds.
| LED | Two-color (red/blue) type for status indication | ||
| Calibration output signal | For calibration of connected external equipment AC output: 31.5 Hz,1 Vrms, DC output: 2.5 V |
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| AC/DC output | AC or DC output selectable by menu 2.5 dia. output jacks, 3 separate channels |
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| AC output | Output impedance: 600 Ω, Load impedance: 10 kΩ or higher, AC output: 1 Vrms (full-scale) Frequency weighting for instantaneous value display and for AC output can be set separately |
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| DC output | Output impedance: 600 Ω Load impedance: 10 kΩ or higher DC output 2.5 V (full-scale, 25 mV/dB) |
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| USB | Mass storage class: When unit is connected to a computer as a storage device, SD card is recognized as a removable disk Communication device: When unit is used as a communication class device, operation control via communication commands is possible |
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| RS-232C communications | Using a dedicated cable, RS-232C communications are possible (using ｴ/O port) | ||
| BMP files | Screen content can be captured and saved as a BMP file | ||
| Comparator＊2 | Vibration level or vibration acceleration level based comparator. Output activated when setting level (30 to 120 dB, 1-dB steps) is exceeded. |
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| Supported channels | Single-axis channel selected with menu | ||
| Comparator output | Open-collector output (using ｴ/O port) Max. applied voltage: 24 V Max. drive current: 50 mA (with 24 V applied voltage) |
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| SD card | SD / SDHC (max. capacity 32 GB)＊1 | ||
| SD card formatting | SD card formatting function corresponds to SD formatter | ||
| Power supply | IEC R6 [size AA] battery x 8 or external power supply | ||
| Battery life (23 ºC) | Alkaline batteries LR6: approx. 27 hours Nickel-hydride rechargeable batteries: Approx. 27 hours (eneloop XXⓇ＊) ＊Actual operation time will differ, depending on unit settings and battery brand. |
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| AC adapter | NC-98E | ||
| External power supply voltage | 5 to 7 V (rated voltage 6 V) | ||
| Current consumption | Approx. 80 mA (at 12 V (battery x 8) DC) Primary side (100 V AC side) power consumption: Approx. 4 VA (with NC-98E, at 100 V AC) |
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| Dust and water proofing | IP54＊3 | ||
| Ambient conditions for operation | Temperature: -10 ºC to +50 ºC, max. 90 % RH (no condensation) | ||
| Dimensions and weight | Approx. 175 mm (H) x 175 mm (W) x 40 mm (D) mm, approx.780 g (incl. batteries) | ||
| Accelerometer: Triaxial accelerometer PV-83C | Reference sensitivity: 60 mV / (m / s2) Usage temperature range: -10 ºC to +50 ºC (no condensation) Waterproofing: IPx7 Dimensions and weight: Approx. 67 dia. x 40.7 mm (D) (excluding connection cable) |
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| Supplied accessories | EC-54S (3 m) x 1, IEC R6 [size AA] battery x 8, carrying case x 1 | ||
＊ Please use the dedicated charger to charged eneloop XXⓇ batteries.
＊ eneloop XXⓇ is a registered trademark of Panasonic group.
＊1 Use Rion products for assured operation.
＊2 VX-55EX is required separately
＊3 Protected against harmful dust (dust-proof type) and water splashes from any direction (splash-proof type)
＊4 Accelerometer cable lengths up to 203 meters are covered by the Weight and Measure Act.
Precautions regarding waterproofing
Before use, verify that the rubber bottom 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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