LWD Marshall Stability Test Apparatus

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Product detail1. Application: The Apparatus is used to test the thermal stability and capability of resist-plasticity deformation of bituminous mixture material and flow value to provide accurate basis for the composition of bituminous mixture material. Based on LWD-1, LWD-2 is with load and displacement transducer as well as micro-processing technology, carrying out control during the test and data acquisition and processing, at last, it will save flow value of the biggest stability and stability. It can automatically increase load and automatically draw up the relationship curve between the load and deformation. It is suitable for traffic engineering, university and research institute to do the experiment etc 2. Specification Capacity: 30kN Proving ring: 30kN Pressure ring accuracy: 0.01kN Load pressing head: R50.8mm Micrometer: division 0.01cm Mold: Ø101.6 x 87.0mm Specimen: Ø101.3 x 63.5mm Load transducer accuracy: 1% Displacement transducer accuracy: 1% Cycle of data acquisition: 5 times per second 3. Model Table Model Load test Flow test Operation Allocation Remarks LWD-1 Proving ring Micrometer Manual operation Notice proving ring’ s readings carefully LWD-2 Load transducer Displacement transducer Digital display load increasement Digital display indicator Adjust zero carefully LWD-3 Load transducer Displacement transducer Auto load increasement Auto printing out Auto discharge load Numeric display indicator Printer Automatically eliminate zero error

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Nanjing T-bota Scietech Instruments & Equipment Co

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