Marshall Stability Tester

Marshall Stability Tester
Marshall Stability Tester
Marshall Stability Tester
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TBTMWD-1 Marshall Stability Test Apparatus
Technical Parameters
Max load 30KN
Speed 50±5mm/min
Proving ring 30KN
Micrometer 0-10mm Accuracy:0.01mm
Power supply AC220V 50Hz
Motor capacity 550W
TBTMWD-2 Marshall Stability Tester digital display

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.

Technical Parameters
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
TBT-0709A Marshall Stability Tester

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.

Technical Parameters
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
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