Asphalt Laboratory Penetration Tester
Asphalt Laboratory Penetration Tester
The SYD-2801 Penetration Tester is designed and manufactured in accordance with the requirements stipulated in the “Test Procedures for Asphalt and Asphalt Mixture in Highway Engineering” (JTG E20-2011) of the People’s Republic of China, specifically T0604-2011 “Asphalt Penetration Test”, and the “Determination of Penetration of Petroleum Asphalt” (GB/T 4509) of the People’s Republic of China. It is used to measure the penetration of petroleum asphalt under low-temperature conditions.
I. Main Technical Features
It is equipped with a magnifying glass and a lighting lamp to facilitate the observation of the accuracy of the needle tip aligning with the sample plane.
2.The lifting bracket can be freely adjusted to facilitate the alignment of the needle tip with the sample plane.
3. When used in conjunction with the HWY-3 constant temperature water bath, it can provide circulating constant temperature water to the constant temperature bath on the working platform of the penetration tester, thereby creating the required temperature environment for the test sample.
4. It is equipped with a penetration display, providing stable and accurate data and convenient observation.
II. Main Technical Parameters and Indicators
1. Working power supply: AC (220 ± 10%) V, 50 Hz;
2. Penetration time control device: 5 seconds, 8 seconds, 10 seconds, 12 seconds, 30 seconds, 60 seconds, with a time error of less than ±0.1 seconds.
3. Penetration depth device: High-precision digital display.
4. Resolution: 0.01mm (0.1 penetration degree)
5. Penetration accuracy: ±1 penetration degree;
6. Measuring range: (0 – 600) penetration.
7. Standard needle: Length 50mm, mass 2.5g ± 0.05g;
8.Thermometer: (0~50)℃, with a graduation of 0.1℃;
9. Dimensions: 254mm × 400mm × 640mm (length × width × height)
10. Net weight of the instrument: 13 kg.
Asphalt Laboratory Penetration Tester: A Key Tool for Asphalt Quality Assessment
The Asphalt Laboratory Penetration Tester is an important instrument for evaluating asphalt materials, especially determining its consistency and performance characteristics. This equipment plays a vital role in road construction and maintenance, ensuring that the asphalt used meets the required specifications for durability and stability.
The core function of an asphalt laboratory penetration tester is to measure the depth to which a standard needle penetrates into an asphalt sample under specific conditions. This penetration depth indicates the viscosity of the material and thus its ability to withstand various environmental factors such as temperature fluctuations and traffic loads. This test result is critical for engineers and contractors to select the appropriate asphalt mix for a specific application.
The testing process involves heating a sample of asphalt to a predetermined temperature and then allowing a needle to penetrate the material for a set amount of time. The penetration depth is then measured in tenths of a millimeter, providing a quantitative assessment of the asphalt’s performance. This data is essential to ensure that the asphalt performs well in real-world conditions, thereby extending the life of the pavement and reducing maintenance costs.
In addition, the Asphalt Lab Penetration Tester can be used not only to test new asphalt mixes, but also to evaluate existing pavement materials during rehabilitation projects. By understanding the penetration characteristics of aged asphalt, engineers can make informed decisions about the best method of repair or resurfacing.
In summary, the Asphalt Laboratory Penetration Tester is an important tool in the fields of civil engineering and materials science. Its ability to accurately measure the consistency of asphalt helps ensure the quality and longevity of roads, making it an indispensable tool in the construction industry.
