Manfred Weber
Metra Mess- und Frequenztechnik in Radebeul e.K.
Since 1954

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Human Vibration


4-Channel Human Vibration Analyzer
Preview VM31
  • For Hand-Arm vibration to ISO5349, whole-body vibration to ISO2631 and ship vibration to ISO 6954
  • 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 10000 measurements
  • 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
Please click for details
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 and Wm to ISO8041
Band filters
Human vibration: 0.4 - 100 Hz; 6.3 - 1259 Hz
Acceleration: 0.1 - 2000 Hz; 1 - 1000 Hz
Velocity: 1 - 100 Hz; 2 - 1000 Hz; 10 - 1000 Hz
Dsiplacement: 5 - 250 Hz
Frequency analysis (FFT)
125 lines for X/Y/Z, peak spectrum of acceleration
Data memory
10000 measurements and 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: KS903-10
Whole-body: KB103SVD
Machine vibration: KS903-100
4th channel (A): KS78.100
Data sheet (250 kB)
Instruction manual (3,5 MB)
Abstract EU directive 2002/44/EC (150 kB)
The latest version of the USB driver and the software for Excel import can be found on our download page.
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PC Based Hand-Arm Vibration Measurement
VM-HAND

  • 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 kit:
VH-HAND Kit One for one handle
VM-HAND Kit Two for two handles

Highslide JS
Please click for details

Required hardware components
1 or 2 IEPE / USB converters M302, uniaxial or triaxial IEPE accelerometer
Measured quantity
Interval RMS of vibration acceleration
Weighting filter
Wh to ISO8041
Data sheet (400 kB)
Instruction manual VibroMetra (2,5 MB)
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.
Add to memo list:

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 KB103SVD
  • 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

Please click for details

Required hardware components
1 or 2 IEPE / USB converters M302, 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
Data sheet(400 kB)
Instruction manual VibroMetra (2,5 MB)
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.
Add to memo list:

PC Based Measuring System for Ship Vibration
VM-SHIP
  • Component of VibroMetra system
  • Measurements of vibrations vibration with regard to habitability on passenger and merchant ships ISO 6954
  • Triaxial measurement
  • Long-term memory function
  • Report function
  • External messengers
  • Offline measurement possible
  • Available as kit: VM-SHIP Kit

Please click for details


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
Data sheet(400 kB)
Instruction manual VibroMetra (2,5 MB)
The latest version of VibroMetra software can be found on our download page.
VibroMetra can be started in the Simulator mode for testing.
Add to memo list:

Triaxial Seat Pad Accelerometer KB103SVD
Output
IEPE
Sensitivity 100 mV/g
Measuring range ±50 g
Electronic data sheet (TEDS)
IEEE1451.4, template 25 with transfer function
Connection
fixed cable with plug Binder 711

Data sheet (250 kB)
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