In Stock Electric Surface Rockwell (Double Rockwell) Hardness Tester 10~72HR45T


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    Rockwell & Surface Rockwell (Double Rockwell) Hardness Tester


    Electric Rockwell & Surface Rockwell (Double Rockwell) Hardness Tester


    Main Features

    • Direct reading of dial hardness value.
    • MRR (D) – 150D1 is an automatic loading and unloading – keeping- unloading system with simple operation and no artificial operation error.
    • MRR (D) – 150A1 is a manual loading and unloading of load, which does not require a power supply for operation.
    • It has stable performance, simple operation, and convenient usage.
    • Optimized mechanical structure, low electrical power consumption, linear small arc appearance.
    • Strong structure, good rigidity, accuracy, reliability, durability, high test efficiency.
    • An optional indenter extended hardness gauge is available.


    Application Range

    • Rockwell: It is used to measure Rockwell hardness of ferrous, nonferrous metals and nonmetallic materials. It is suitable for measuring Rockwell hardness of heat treatment materials such as quenching and modulation.
    • Surface Rockwell: It is used to measure the surface Rockwell hardness of the ferrous metal, alloy steel, hard alloy and metal after surface treatment (carburizing, nitriding and electroplating).


    Main Technical Parameters



    MRR(D)-150A1MRR(D)-150D1Standard Configuration
    Large Flat Test Bench 1

    Small Flat Test Bench 1

    V-type Test Bench   1

    Hardness Block     6

    Power Cord       1

    Diamond Indenter   1

    Φ1.588 Ball Indenter1

    Optional Accessories

    Φ10mm Miniature

     Flat Test Bench 

    Φ10mm Miniature 

    V-type Test Bench

    Rockwell Hardness

    Computer Software

    Hardness Blocks

    of Other Specifications

    Φ3.175 Ball Indenter

    Φ6.35 Ball Indenter  

    Φ12.7 Ball Indenter


    Scale of HardnessA, B, C (D, E, F, G, H, K), N, T
    Test Forcekfg:  15,30,45,60, 100,150

    N:   147.1,294.2,441.3,588,980,1471

    Test Range20~88HRA, 20~70HRC, 20~100HRB,

    70~94HR15N, 42~86HR30N, 20~77HR45N,

    67~93HR15T, 29~82HR30T, 10~72HR45T

    Loading ModeManual LoadElectric Load
    Indication Resolution0.5HR
    Indication AccuracyIt conforms to GB/T 230.2 IS0 6508
    Duration of Test ForceArbitrary SettingsAdjustable in 1-99 seconds
    Maximum Height of Specimen195mm
    Test Force140mm
    Voltage SupplyNo Power Supply Required220V/50-60HZ
    External DimensionsLength* Width * Height 463*175*660mm
    WeightNet weight :74kg, Gross weight :90kg


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