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Technical Parameter Analysis of the Asphalt Extensometer
2021-03-23
The asphalt ductility tester features an externally mounted lead screw and linear guide rail positioning, ensuring smooth stretching, high precision, and easy 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 a microcomputer that can store up to 15 sets of data, display the moving speed and precise temperature control, and offers a user-friendly operating interface. This instrument is primarily used to measure the ductility of asphalt and liquid asphalt residues obtained after distillation, as well as the evaporation residues from asphalt emulsions, across various specifications and models. It is widely applied in manufacturing, road construction, and research institutions, making it particularly suitable for experiments involving modified asphalts.
Technical specifications:
Large measurement working length: 1500mm
Stretching skateboard moving speed: 0–150 mm/min (adjustable)
Stretch motor power: 120W
Water bath stirring electric pump: 45W
Refrigeration capacity: 1.2 kW Heating capacity: 2 kW
Water bath temperature control range: 5–50℃
Temperature control accuracy: ±0.1℃
Cooling capacity: 4000 kcal/min
Working power supply voltage: 220V
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