Automatic Penetrometer

The instrument is designed and made as per the standards GB/T4509 Standard Test Method for Penetration of Bitumen, T0604 Bitumen Penetration Test in the standard JTG E20-2011
Specifications and Test Methods of Bitumen and Bituminous Mixtures for Highway Engineering and ASTM D5.
The instrument is suitable to determine the penetration of highway bitumen, modified asphalt, as well as liquid petroleum asphalt or residue of emulsified asphalt after evaporation.

The cone penetrometer apparatus is used to determine the moisture content at which clay soils pass from a plastic to a liquid state and it is used also for the determination of undrained shear strength (CEN ISO/TS 17892-12).

ROAD BITUMINOUS TESTER used for It measures the hardness or softness of bitumen by measuring the depth in tenths of a millimeter to which a standard loaded needle will penetrate vertically in 5 seconds.




  1. Measurement accuracy of the instrument can reach to 0.6 penetrations. New type penetrometer detection unit, and the test repeatability is stable.
  2. It adopts high resolution capacitance touch screen, the information can be clearly displayed.
  3. Special “Computer Drawing Software + Data Accurate Reading Technology”, it can automatically draw and print the monogram of asphalt penetration relationship.
    It adopts new type lifting device.


  • Power supply: AC(220±10%)V, 50Hz;
  • Power consumption: 200W;
  • Measurement range: 0 penetration~600 penetrations;
  • Resolution: 0.1 penetration;
  • Timing range: 0s~60 s, and the error is less than ±0.1 s;
  • Data saved: 50 groups;
  • Standard needle: 50mm,2.5±0.05 g;
  • Sample container: Φ55×H35
  • Standard weight: 50g
  • Lifting device: automatic lifting;
  • Dimension:260mm×400mm×600mm;(L*W*H)
  • Net weight: 15kg.


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