Made as per GB/T 4509, T0604-2000 bitumen penetration test method, suitable to determine the depth of standard needle directly down in test sample in the condition of regulated temperature and time period, and the needle is regulated weight and appearance, 0.1 mm is equal to 1 penetration.

Referrence standard:  ASTM D5

 Specification:

To test both needle/cone penetration

Controlled by computer, auto test needle/cone penetration

LVDT is calibrated by computer, nicety and credible

 Magnetic stirring, auto control temperature, and accuracy is high

 With LCD to display all kinds of parameters, with microprinter to print test report

With communication port, to communicate with computer

Store 30 test data

  Technical Parameters:

Measurement range: 0～500 penetration     read resolution: 0.1penetrometer

Time control: 0～99 s, random preset       error is less than ±0.1 s

Temperature control range: 5～100 ℃（matched with low temperature water bath）

Temperature control accuracy: ±0.1 ℃

Standard needle: 2.5 g±0.05 g            standard cone: 102.5 g±0.05 g