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Hardness Tester dynaROCK II (Leeb)

Universal rebound hardness tester with robust metal (aluminium) casing and large memory. The dynaROCK II works according to the Leeb rebound hardness test method for metallic materials. It is developed and produced by BAQ GmbH.

The dynaROCK II combines easy operation with high precision and reliability. For different applications, six impact device types are available. The type of the connected impact device is identified automatically.

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  • Fast and easy hardness testing
  • Measuring method according to DIN 50156, DIN EN ISO 16859 and ASTM A956
  • Robust metal (aluminium) casing
  • Large colour display
  • Embedded Li-ion battery
  • 12 groups of materials
  • Extensive storage and statistical functions
  • USB interface and PC software

Technical Specifications

Technical Specifications

  • Hardness scale – HRC, HB, HV, HRB, HL, HS and tensile strength
  • Display – Colour LCD 320 x 240 pixels
  • Statistics – Average value, standard deviation, minimum, maximum
  • Data memory – 500,000 data records with date, time, GOOD/BAD rating and impact direction
  • Interface — USB
  • Data transfer: Direct protocol printout with mini thermal printer PC-Software/ Data transfer on
  • USB flash device
  • Power supply – Integrated rechargeable lithium-ion battery
  • Languages: Menu: English, German, French, Italian, Spanish, Polish, Russian, Turkish. Manual: English, German, F rench, Italian, Spanish


  • Placement rings for measurements on curved surfaces (concave / convex)
  • Different impact devices
  • Mobile mini printer
  • Hardness comparison blocks with calibration certificate for impact devices Dxx and C in 3 different hardnesses
  • Hardness comparison blocks with calibration certificate for impact device G in 2 different hardnesses
  • Carrier bag
  • BAQ