GrindoSonic MK7

Impulse Excitation Testing

Non-destructive measurements of sample resonant frequencies to allow for the determination of Youngs Modulus. Furnace allows testing at temperature up to 1400C.

  • Partner:UK Atomic Energy Authority
  • Availability:Available
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Detailed Description

  • Non-destructive measurements of elastic properties of materials
  • Extremely rapid and simple: just a light tap is needed and the result is displayed within a fraction of a second
  • Measurements of E- and G-modulus and Poisson’s ratio
  • An alternative to destructive testing as excellent correlations exist between breaking load and natural frequency
  • Production process monitoring for launch and QA-QC
  • Widest range of materials: ceramic, wood, composites, brick, concrete etc.
  • Widest range of sizes from less then 100mg to 100ton
  • Suitable for industrial and laboratory use


  • Frequency analysis
  • FFT calculation for detections of multiple vibrations modes
  • Selection of zones of interest by waveband filtering
  • Oscilloscope function for time domain analysis
  • Graphic visualisation of frequency domain


Analysis of:

  • Abrasives and grinding
  • Building materials
  • Geology
  • Ceramics
  • Friction materials
  • Composite and plastics
  • Metals and alloys
  • Cement and concrete
  • Refractories
  • Wood and timber

Furnace available for testing at temperatures up to 1400C

Technical information

  • Grindosonic Mk7
  • Frequency range 20 Hz – 100 KHz
  • Reference accuracy better than 0.005%
  • Resolution up to 1/1.000.000
  • Vibration detector
  • Acoustic detector
  • Supply 100 – 240 VAC
  • Furnace maximum temperature 1400C