GD-2801E Asphalt Needle Penetration Tester/Asphalt Penetrometer(Old Type)  is designed and made as per the National Standard of People's Republic of China GB/T4509 "Test Methods for Needle Penetration of Petroleum Asphalt", and T0604 "Asphalt Needle Penetration Test" in the Industry Standard of People's Republic of China JTJ052 Specification and Test Methods of Bitumen and Bituminous Mixture for Highway Engineering.

GD-2801E Asphalt Needle Penetration Tester/Asphalt Penetrometer(Old Type)  is suitable to make needle penetration determination for highway asphalt, modified asphalt, as well as residue of liquid petroleum asphalt or emulsified asphalt after evaporation. It can also be used to inspect solid granule, powder, colloid, freezing substance, as well as food materials like cheese, glycine, butter, ice cream, cream, and fermentation substance, etc. It has been widely used in the field of food industry, highway construction, and other industry departments.

I. Main technical specification and parameters

1. Measurement range: 0~600 penetrations;

2. Resolution: 0.01 mm;

3. Time control: it can select 5 s or 60 s; timing error is less than ±0.1 s;

4. Heating power of heater: 200 W;

5. Temperature controlling accuracy: 25±0.1 °C (note: the ambient temperature should not be higher than 20 °C);

6. Temperature controlling mode: by a high precision digital temperature controller;

7. Constant temperature bath: It is a harden glass cylinder;

8. Stirring: It is stirred by a magnetic stirring bead (stirring wheel);

9. Standard needle: 2.5 g±0.05 g; as per the requirements of GB/T4509, and T0604;

10. Up and down assembly: It has function of coarse adjustment and fine adjustment. It is convenient to let the needle tip just touch the sample surface.

11. Power supply: AC 220V±10%, 50 Hz;

12. Others: It is equipped with cold light source and magnifier, so it is convenient to be operated.

Other Related Products

1. GD-2801D Asphalt Needle Penetration Tester(Old Type)

2. GD-2801E1 Asphalt Needle Penetration Tester(Common Type for Asphalt)

3. GD-2801F Asphalt Needle Penetration Tester(Low Temperature Type)

4. GD-2801I Asphalt Needle Penetration Tester

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