Marshall Stability Tester
| Max load | 30KN |
| Speed | 50±5mm/min |
| Proving ring | 30KN |
| Micrometer | 0-10mm Accuracy：0.01mm |
| Power supply | AC220V 50Hz |
| Motor capacity | 550W |
The TBTMWD-2 Marshall stability tester digital display is applicable to the testing of asphalt mixture stability in order to accurately judge the breaking point of the asphalt mixture, assist in calculation of the design ratio in the asphalt mixture, and pavement quality inspection. It features high-precision loading & displacement transducers, instrument automatic print load-deformation curve and test results.
| Pressure transducer measuring range | measuring range3-30KN |
| Pressure transducer measuring accuracy | ≤1％ |
| Displacement transducer measuring range | 0 - 15mm |
| Vertical deformation (flow rate) measuring accuracy | ≤1％ |
| Specimen pressure head size | Ф101.6mm |
| Allowable mixture max. particle size | ≯26.5mm |
| Power supply | AC220V ±10% 50Hz |
| Working environment temperature | 0℃ -60℃ |
| Consumption capacity | 600W |
| Rising speed | 50mm/min±5mm/min |
| PC interface | DB9 232 |
The TBT-0709A Marshall stability tester is designed in strict accordance with T0709-2011 standards, and is designed to carry out Marshall stability testing for bituminous materials.
Main Features- This instrument allows users to set parameters, calibrate instruments, carry out automatic test control, automatic data collection and set a timer. The control unit will collect stability and flow value samples to automatically judge the peak value.
- The LCD touch screen displays the stability, flow value, curves, result and time. Test effects are also intuitive.
- 100 groups of test data and test times are easily stored and retrieved as needed. All procedures are automatically controlled.
- The RS232 communication port ensures communication with the upper computer. The data process, store, print and display is PC controlled, as are all test procedures.
- This instrument also carries out manual lifting, lowering and stopping for a convenient use.
Note:a Ф100mm sample clamp is in the standard accessory list for this instrument.
Users can also select from clamps listed below:
1. Sample clamp： Ф150mm, one piece
2. Sample clamp： Ф100mm and Ф150mm, one for each.
| Maximum load | 50kN |
| Measuring range | ≤40kN |
| Measuring bias | ≤±0.1kN |
| Overload protection | Automatically protect when load is over 39kN |
| vertical deformation（flow value） | Range 0～20mm, bias ≤±0.05mm |
| Lifting rate for pressure machine | (50±5)mm/min |
| Communication port | RS232 |
| Power supply | AC220V±10%，50Hz |
| Ambient temperature | 0℃～60℃ |
| Dimension | 600mm×380mm×840mm |
| Motor power | 550W |
| Net weight | 98kg |
