Portable Point Load Test Apparatus

The portable point load tester provides an index for the strength classification of hard rocks and allows for a quick, non-expensive on-site evaluation of hard rock strength.
A sample of rock is mounted between two pointed platens. Pressure is then applied until failure (breakage) of the sample occurs. The peak-applied load is recorded and used to calculate the point load index.

The standard test-set is consisting of:

  • Hydraulic cylinder with conical pistons
  • Hydraulic pump
  • Digital-manometer with pressure and load display
  • Base plate
  • Operator protection set
  • Operating manual




  • Features
  • Specifications
  • Upgrade Options
  • Software
  • Standards
  • Applications
  • Easy to handle, functional design
  • High-level stiffness and light-weight frame with special, hardened conical pistons
  • Suitable for testing samples up to 120 mm in diameter
  • Hand-operated hydraulic pump, pressure cylinder, aluminum base plate
  • High quality hydraulic components with fine adjustable two stage hydraulic pump
  • Height adjustable, stiff crosshead for different sample heights
  • Version with digital precision pressure gauge Cl. 0.1% with maximum memory, IP 65, resolution 0.01 kN
  • Version with analogue pressure gauge, pressure range: 0 - 100 kN and 0 - 25 kN, accuracy: 1.0 kN resp. 0.5 kN
  • Digital measuring device for axial strain
  • Splinter protection
  • Not available
  • Not available
  • Not available
  • Detailed information will follow soon
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