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A brief instruction on the asphalt ductility tester.
2021-09-28
I. Overview and Applications
This instrument is suitable for measuring the elongation of various specifications and models of asphalt, residual materials left after distilling liquid asphalt, and evaporation residues from asphalt emulsions. It is widely used in manufacturing, road construction, and research institutions, and is particularly well-suited for testing modified asphalts. It complies with the standards set by the Ministry of Transport (JTJ-E52-2011).
II. Characteristics
The liquid crystal low-temperature asphalt extensometer conforms to the standards of next-generation high-tech products. It features an externally mounted lead screw and linear guide rail positioning, ensuring smooth stretching, high precision, and convenient observation. The stretching drive system employs electronic frequency conversion for stepless speed regulation, featuring low noise and zero running inertia. The control unit is equipped with microcomputer processing, capable of storing 15 sets of data, displaying the moving speed and precise temperature control, and offering a user-friendly operating interface.
III. Main Technical Parameters
1. Maximum measurement working length: 1500 mm
2. Stretching skateboard moving speed: 0–150 mm/min (adjustable)
3. Tension motor power: 120W
4. Water bath stirring electric pump: 45W
5. Cooling power: 1.5 kW; Heating power: 2 kW
6. Water bath temperature control range: 5–50℃
7. Temperature control accuracy: ±0.1℃
8. Cooling capacity: 4000 kcal/min
9. Working power supply voltage: 220V
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