4-Channel Human Vibration Analyzer: VM31

  • 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
Measuring inputs4 Low Power IEPE inputs with TEDS for sensors with 8 to 1200 mV/g
Human vibration weighting filtersWb, Wc, Wd, Wh, Wj, Wk, Wm and Wp to ISO8041
Band filtersHuman 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
Frequency analysis (FFT)125 lines for X/Y/Z, peak spectrum of acceleration
Data memory10000 manually saved measurements, 100 log files of 32000 measurements each, 1000 FFTs, each with date, time and comment
DisplayOLED, 128 x 160 pixels, colored
Batteries3 accumulators HR03 or alkaline cells LR03 (AAA), 10 -14 hours operation
Recommended sensorsHand-Arm: KS903B10
Whole-body: KS963B100-S
Machine vibration: KS903-100
Ship vibration: KS823B
4th channel (A): KS78C100
VM31 accessory kitsWhole-body: VM31-HAWB
Hand-Arm/whole-body: VM31-HAWB
Machine vibration: VM31-M