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Universal Surface Material Hardness Tester / Metal Hardness Testing Machine

    Buy cheap Universal Surface Material Hardness Tester / Metal Hardness Testing Machine from wholesalers
     
    Buy cheap Universal Surface Material Hardness Tester / Metal Hardness Testing Machine from wholesalers
    • Buy cheap Universal Surface Material Hardness Tester / Metal Hardness Testing Machine from wholesalers
    • Buy cheap Universal Surface Material Hardness Tester / Metal Hardness Testing Machine from wholesalers

    Universal Surface Material Hardness Tester / Metal Hardness Testing Machine

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    Brand Name : Tmteck
    Model Number : HBRV-187.5
    Certification : CE
    Payment Terms : T/T, Western Union,paypal
    Supply Ability : 100pcs per month
    Delivery Time : 10-15 days
    Price : Negotiation
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    Universal Surface Material Hardness Tester / Metal Hardness Testing Machine

    Description:

    1. Hardness is one of the important mechanic characteristics of the material while the hardness testing is the most quickly and economic testing method,as well as an important method to judge the quality of the metal material or its component parts. The mechanic characteristics of most metal materials such as the strength, tiredness, wriggling and wearing out can be tested out approximately through its hardness testing.

    2. The Motorized Brinell Rockwell & Vickers Hardness Tester, a multi-functional hardness tester with Brinell, Rockwell &Vickers 3 kinds of testing methods and 7 steps testing force will meet the needs of many kinds of hardness measurement. The instrument is adopted automatic shifter to load, dwell and unload testing force, therefore the operation for this instrument is simple, easy and quickly.


    Technical specifications

    1. The Initial Test Force: 98.07N (10Kg); Tolerance:± 2.0%

    2. The Tolerance of Total Test Force: ±1.0%

    2.1 The Test Force of Brinell Hardness: 294.2N(30kg), 306.5N (31.25kg), 612.9N (62.5kg),

    980.7N(100kg), 1893N(187.5kg)

    2.2 The Test Force of Rockwell Hardness: 588.4N (60kg), 980.7N (100kg), 1471N(150kg)

    2.3 The Test Force of Vickers Hardness: 294.2N (30Kg), 980.7N (100Kg)

    3. The Indenter Specifications:

    3.1 The diamond Rockwell indenter

    3.2 The diamond Vickers indenter

    3.3 The φ1.5875 mm, φ2.5 mm, φ5 mmball indenter

    4. The Power Source and the Voltage: AC220V±5%, 50-60 HZ

    5. Time-delayed control: 2-60 seconds, can be adjusted

    6. The Distance from the Indenter Central Point to the Instrument Body: 165mm.

    7. The Max. Height of the Specimen:

    7.1 For Rockwell Hardness: 175mm

    7.2 For Brinell Hardness: 100mm

    7.3 For Vickers Hardness: 115mm

    8. The Amplification of Objective: 37.5×; 75×

    9. The Overall Dimension of Hardness Tester(Length×Width×Height): 520×215×700mm

    10. The Total Weight of the Tester: 78kg

    Rockwell Hardness

    11. The Tolerance of Rockwell Hardness Display Value

    Hardness ScaleHardnessRangeof The Standard Testing BlocksThe Max. Tolerance of Hardness Display Value
    HRA20≤75HRA±2HRA
    >75≤88HRA±1.5HRA

    HRB

    20≤45HRB±4HRB
    >45≤80HRB±3HRB
    >80≤100HRB±2HRB
    HRC20≤70HRC±1.5HRC

    Brinell Hardness

    12.The repetition and tolerance of displayed Value for Brinell hardness tester

    Hardness Value of Standard Testing Blocks (HBW)Tolerance of Displayed Value (%)Repetition of Displayed Value (%)
    ≤125±3≤3
    125<HBW≤125±2.5≤2.5
    >225±2≤2

    Vickers Hardness

    13.The Tolerance and Repetition of Displayed Value for Vickers Hardness Tester

    Tolerance of Displayed ValueRepetition of Displayed Value
    Hardness ScaleDisplayed Value of Hardness Test BlockTolerance of Displayed ValueDisplayed Value of Hardness Test BlockRepetition of Displayed Value

    HV30

    HV100

    ≤250HV±3%≤225HV6%
    300~1000HV±2%>225HV4%

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