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

    MRR(D)-150A1

    Rockwell & Surface Rockwell (Double Rockwell) Hardness Tester

    MRR(D)-150D1

    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

    Modal

    Items

    MRR(D)-150A1 MRR(D)-150D1 Standard 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 Hardness A, B, C (D, E, F, G, H, K), N, T
    Test Force kfg:  15,30,45,60, 100,150

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

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

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

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

    Loading Mode Manual Load Electric Load
    Indication Resolution 0.5HR
    Indication Accuracy It conforms to GB/T 230.2 IS0 6508
    Duration of Test Force Arbitrary Settings Adjustable in 1-99 seconds
    Maximum Height of Specimen 195mm
    Test Force 140mm
    Voltage Supply No Power Supply Required 220V/50-60HZ
    External Dimensions Length* Width * Height 463*175*660mm
    Weight Net weight :74kg, Gross weight :90kg

     

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