Asphalt Marshall Compression Machine Automatic Marshall Stability Tester

1. Automatic function: can automatically load, stop, display data, collect data, judge peak value, hold peak value, and print data and curves.

2. Circuit design: It uses separation of strong and weak current, digital and analog. Most of the electronic components are industrial products, with a wide operating temperature range, stable performance, good repeatability, and strong anti-interference ability.

3. Protection function: It has triple self-protection functions of hardware and software to ensure safe and reliable testing.

4. Design concept: Using modular design, each functional module is relatively independent, which is convenient for repair and maintenance.

1. Sample size: inner diameter of curvature ￠152.4mm±0.2mm, spacing between upper and lower pressure heads 19.05mm±0.1mm; inner diameter of curvature ￠101.6mm±0.08mm, spacing between upper and lower pressure heads 19.05mm±0.1mm
2. Axial load: 0～50kN±F.S 0.5%
3. Axial displacement acquisition: built-in displacement sensor range 0-15mm accuracy: 0.01mm
4. Strain speed: 0.001～50 mm/min
5. Stress rate: 1N～5000N/S, constant stress sampling and deformation can be set arbitrarily;
6. Axial stroke: 0～60mm, rising distance can be set
7. Power supply: 220±22V, 50Hz
8. Computer software: real-time control of loading speed and force value, acquisition and storage of axial force value, displacement, and parallel graphics.
9. Sample pressure head calibration and sample loading and unloading device are randomly configured

1. The power ground wire must be grounded separately, and the pressure and flow value sensor plugs cannot be plugged in incorrectly.
2. When the power grid interference is large or the voltage is unstable, it is recommended to equip with an AC purification power supply or a voltage stabilizer.
3. The load control line and the printer cable cannot be stressed, and the instrument should not share a power socket with high-power electrical appliances.
4. The instrument should be placed in a dry place to avoid frequent unplugging of connectors. In humid areas, the sensor should be stored in a drying box.