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          LWD Series Marshall Stability Tester


          LWD Series Marshall Stability Tester

          The Marshall Stability Tester is used for determining thermal stability of bituminous mix material and capability of resistance to plastic deformation and flow value of the material as well as providing accurate basis for the composition of bituminous mix material. The tester has load and deformation transducer as well as digital load and flow indicator, It can automatically increase load and print out loading peak value and flow value、automatically draw the relationship curve between the load and deformation、automatically change the load. It is suitable for traffic engineering, university and research institute to make experiment use.

          Specifications:

          1. Capacity : 30kN

          2. Proving ring: 30kN

          3. Pressure ring accuracy : 0.01kN

          4. Loading head: R50.8mm

          5. Micrometer : division 0.01cm

          6. Mold : Ø101.6 x 87.0mm

          7. Specimen : Ø101.3 x 63.5mm

          8. Load transducer accuracy : 1%

          9. Displacement transducer accuracy: 1%

          10. Data acquisition cycle : 5 times per second

          Model Load test Flow test Auto degree Allocation Remarks
          LDW-1 Proving ring Micrometer Hand operation  

          Notice proving ring's readings

          carefully

          LDW–2 Load transducer Displacement transducer Digtal display load increasement Digital display indicator Adjust zero carefully
          LDW-3 Load transducer Displacement transducer

          Auto load increasement

          Auto printing out

          Auto discharge load

          Digital display indicator

          Printer

          Automatically eliminate zero error

           




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