ONIKS-2MRebound strength measuring instrument

  • Electronic unit with sclerometer (depends on the model):
    • universal model - no letters - (concrete compressive strength range is 1 to 100 MPa)
    • model LB - for lightweight concrete (concrete compressive strength range is 1 to 30 MPa)
    • model VB - for heavy-weight concrete (concrete compressive strength range is up to 150 MPa)
  • Reference control sample
  • USB charger (1А)
  • USB card with PC software
  • USB cable
  • Operating instructions
  • Bag
  • Verification or calibration certificate (on request)

Abrasive stone

Abrasive stone

  • Non-destructive quick control of the compressive strength, uniform quality and strength quality of light, heavy and heavy-weight concrete during technological control and inspection of objects, as well as to control bricks and other building materials
  • The instrument can be used for inspection of products, analysis of elasto-plastic properties of materials
  • Multi-parametrical method of testing in combination with the adaptive filtering provide more accurate measurements (patent)
  • The lightweight, compact and ergonomic sensor
  • Wide dynamic range and low noise level of the measurement circuit
  • Flaw detection of objects according to the spectral characteristics of their impact response signals (computer applications)
  • Three models are built for different purposes in order to meet the specific needs of the customer
  • Measurement of parameters of the sclerometer electrical pulse with filtering and intelligent signal processing (both single and series up to 15 impacts) and their conversion to strength for a given correlation
  • The user is enabled to set correlations for the new materials and the tested object names
  • Archiving of signals, results and measurement conditions (number, type, material, and temperature of the object, date, time,...)
  • USB interface and special service software
Ranges of compressive strength measuring, MPa


Limits of permissible general absolute error of compressive strength measurement % ±8
Limits of permissible supplementary absolute error of compressive strength measurement under deviation of operation temperature for each 10 ºС within operating range, in fractions of the general error, maximum ±1,5
Impact energy, J 0,12
Memory, results 4800
Display resolution 160х128
Dimensions, less than, mm 165x25x35 
Weight, less than, kg 0,22 
  • Data download to PC
  • Data saving, recording and processing
  • Data transfer to Excel spreadsheet, textual documents and other applications

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