#1 Digital Display Plastic Rockwell Hardness Tester 20~100HRB

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    Digital Display Rockwell Hardness Tester


    Digital Display Surface Rockwell Hardness Tester


    Digital Display Plastic Rockwell Hardness Tester


    Main Features

    • Chinese and English menus, large LCD digital screen with rich menu content and complete functions.
    • Automatic loading and unloading of load, simple operation, a high degree of automation.
    • Hardness automatic display, high accuracy, small indication resolution, no artificial operation error.
    • It can automatically identify the minimum thickness and super-domain warning of the specimen.
    • It has a built-in micro printer, which can print average hardness, maximum and minimum hardness, and its hardness has discreteness.
    • The RS232 interface can be connected with computer to save massive data and hardness analysis.
    • It has an automatic conversion with other hardness. (HB, HV, etc.)
    • It has one national intellectual property right.

    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).
    • Plastic Rockwell: Hard plastics, aluminum, tin, copper, mild steel, synthetic resins, and friction materials.

    Main Technical Parameters



    R(M)-150D1 XHR (M)-150D1 R(M)-45D1 Standard Configuration
    Large Flat Test Bench 1

    Small Flat Test Bench 1

    V-type Test Bench   1

    Hardness Block     3

    Foot Screw         4

    Power Cord       1

    Rockwell and Surface

    Rockwell  Indenter

    Diamond Indenter  1

    Φ1.588 Ball Indenter1

    Plastic Rockwell Indenter :

    Φ3.175 Ball

    Indenter          1

    Φ6.35 Ball Indenter1

    Φ12.7 Ball Indenter1

    Optional Accessories

    Φ10mm Miniature

     Flat Test Bench 

    Φ10mm Miniature 

    V-type Test Bench

    Rockwell Hardness

    Computer Software

    Hardness Blocks

     of Other Specifications

    Scale of Hardness A, B, C, D, E, F, G, H, K E, L, M, R N,T
    Test Force kfg:         60, 100,150

    N:          588,980,1471



    Test Range 20~88HRA,20~70HRC







    Indication Resolution 0.1HR
    Indication Accuracy It conforms to GB/T 230.2 IS0 6508
    LCD Display Content Hardness Value, Rockwell Scale, Total Test Force, Load Retention Time, Site Temperature, Upper and Lower Limit Values, Measurement Times, Average Value, Minimum Thickness of Test Piece
    Duration of Test Force Adjustable in 1-99 seconds
    Maximum Height of Specimen 195mm
    Distance from Center of Indenter to Machine Wall 140mm
    RS232 Interface It is connected with the computer through the applicable software (optional).
    Voltage Supply 220V/50-60HZ
    External Dimensions Length* Width * Height 463*175*660mm
    Weight Net weight :74kg, Gross weight :90kg Net weight :69kg, Gross weight :85kg


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