 
Human Vibration
4-Channel Human Vibration Analyzer
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VM31
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- For Hand-Arm vibration to ISO5349 and ISO/TR 18570, whole-body vibration to ISO2631 and ship vibration to ISO 20283-5
- Acceleration, velocity and displacement ranges for machine vibration
- Display of running and interval RMS, maximum RMS (MTVV), vibration dose value (VDV), vector sum, peak and maximum peak value
- Fourth channel for SEAT measurements at driver seats
- 3-channel FFT for the detection of main frequencies
- TEDS support for automatic sensor detection
- Memory for saving measurements by keypress
- Data logger function for RMS or peak values
- USB interface for data transfer to a PC
- Excel macro for the calculation of daily exposure A(8) and report generation
- Compact design
- Simple operation
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Please click for details
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| Measuring inputs |
4 Low Power IEPE inputs with TEDS for sensors with 8 to 1200 mV/g |
| Human vibration weighting filters |
Wb, Wc, Wd, Wh, Wj, Wk, Wm and Wp to ISO8041 |
| Band filters |
Human vibration: 0.4 - 100 Hz; 6.3 - 1259 Hz
Acceleration: 0.1 - 1500 Hz; 1 - 1000 Hz
Velocity: 1 - 100 Hz; 2 - 1000 Hz; 10 - 1000 Hz
Displacement: 5 - 250 Hz
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| Frequency analysis (FFT) |
125 lines for X/Y/Z, peak spectrum of acceleration |
| Data memory |
10000 manually saved measurements, 100 log files of 32000 measurements each, 1000 FFTs, each with date, time and comment |
| Display |
OLED, 128 x 160 pixels, colored |
| Batteries |
3 accumulators HR03 or alkaline cells LR03 (AAA), 10 -14 hours operation |
| Recommended sensors |
Hand-Arm: KS903B10
Whole-body: KS963B100-S
Machine vibration: KS903-100
Ship vibration: KS823B
4th channel (A): KS78C100
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| VM31 accessory kits |
Whole-body: VM31-HAWB
Hand-Arm/whole-body: VM31-HAWB
Machine vibration: VM31-M
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Data sheet (250 kB)
Instruction manual (3,5 MB)
Abstract EU directive 2002/44/EC (150 kB)
Measurement of ship vibration to ISO 20283-5 with the VM31 (700 kB)
Training video English / Chinese (MP4, 18 min, 350 MB)
The latest version of the USB driver, firmware updates and the Excel macro file for data import can be found on our download page.
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PC Vibration Measuring System VibroMetra
Human Vibration Software Modules
| PC Based Hand-Arm Vibration Measurement |
VM-HAND
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- Component of VibroMetra system
- Measurement of hand - arm vibrations to EN ISO 5349:2001
- One, two or three axes possible
- Measuring duration from 1 minute to 1 day
- High reliability by user guidance
- Good / Bad evaluation of the results
- Results are stored in a calculation sheet for the daily exposure A(8) which may include several activities, no external
software required, Excel export possible
- Offline measurement
- Available as kits:
VM-HAND Kit One for one handle
VM-HAND Kit Two for two handles
Please click for details
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Please click for details
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| Required hardware components |
1 or 2 IEPE / USB converters M302 or M312B, uniaxial or triaxial IEPE accelerometer |
| Measured quantity |
Interval RMS of vibration acceleration |
| Weighting filter |
Wh to ISO8041 |
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Software description (online help)
Data sheet (400 kB)
Quick start guide (600 kB)
Abstract EU directive 2002/44/EC (150 kB)
The latest version of VibroMetra software can be found on our download page.
VibroMetra can be started in the Simulator mode for testing.
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| PC Based Whole-Body Vibration Measurement |
VM-BODY |
- Component of VibroMetra system
- Measurement of vibration transmitted to the human body by the seat surface, the backrest or the feet to ISO 2631
- For application with a triaxial seat pad accelerometer, e.g. Model KS963B100-S
- Measuring duration from 1 minute to 1 day
- High reliability by user guidance
- Good / Bad evaluation of the results
- Report function with Excel export
- Offline measurement
- Available as kit:
VM-BODY Kit
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Please click for details
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| Required hardware components |
1 or 2 IEPE / USB converters M302 or M312B, uniaxial or triaxial IEPE accelerometer |
| Measured quantity |
Interval RMS, Maximum RMS (MTVV) and crest factor of vibration acceleration, vibration total value Ahv |
| Weighting filter |
Wb, Wc, Wd, Wj, Wk and Wm to ISO8041 |
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Software description (online help)
Data sheet(400 kB)
Abstract EU directive 2002/44/EC (150 kB)
Quick start guide (600 kB)
The latest version of VibroMetra software can be found on our download page.
VibroMetra can be started in the Simulator mode for testing.
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| PC Based Measuring System for Ship Vibration |
VM-SHIP |
- Component of VibroMetra system
- Measurements of vibration with regard to habitability on passenger and merchant ships ISO 20283-5
- Triaxial measurement
- Long-term memory function
- Report function
- External messengers
- Offline measurement possible
- Available as kit: VM-SHIP Kit
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Please click for details
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| Required hardware components |
IEPE / USB converter M302, triaxial IEPE accelerometer, for example KS823B |
| Measured quantity |
Interval RMS of vibration acceleration and velocity |
| Weighting filter |
Wm |
| Duration of measurement |
1 s to 1 day |
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Software description
Data sheet(400 kB)
Quick start guide (600 kB)
The latest version of VibroMetra software can be found on our download page.
VibroMetra can be started in the Simulator mode for testing.
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| Triaxial Seat Pad Accelerometer (ISO 10326-1) |
NEW KS963B100-S |
| Output |
IEPE |
| Sensitivity |
100 mV/g |
| Measuring range |
±60 g |
| Electronic data sheet (TEDS) |
IEEE1451.4, template 25 with transfer function |
| Connection |
2 m cable with plug Binder 711 (Adapter from Binder 711 to 3 BNC plugs included) |
Please click for details
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Data sheet (550 kB)
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