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Mhv Series Precision Measurement Digital Vickers Hardness Tester Tunable Light Source

Categories Digital Hardness Tester
Brand Name: Mitech
Model Number: MHV Series
Certification: ISO,ASTM,GB,JIS..
Place of Origin: Beijing China
MOQ: 1 piece
Payment Terms: T/T, Western Union,PayPal
Supply Ability: 50units per month
Delivery Time: 5-8 work days
Packaging Details: Wooden box
The conversion mode of the head and the objective lens: Manual operation
Loading and unloading mode: Automatic operation
Magnification of measuring microscope: 200×(tesing) 100×(observing)
Minimum detection unit: 0.5μm
Maximum height of applicable materials: 160mm
Test to secure the load time: 0~60s
Display attributes: LCD display
Power supply: AC220V/50Hz
Dimension of Exterior: 540*220*650mm
Machine weight: 40kg
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    Mhv Series Precision Measurement Digital Vickers Hardness Tester Tunable Light Source


    Mhv Series Precision Measurement Digital Vickers Hardness Tester Tunable Light Source

    Overview

    Mitech MHV series vickers hardness tester, based on the principle that positive quadrangular pyramid diamond indenter presses the surface of the sample to produce indentation.By measuring the diagonal length of the indentation to achieve the measurement of the hardness of the material can be for small specimens, thin specimens, surface coating, heat treatment of the workpiece surface Vickers hardness test. With stable performance, strong structure, high reliability, simple operation, adopt high magnification optical measurement system, adjust the cold light source, photoelectric sensing technology and computer-aided means it has a powerful function. It is widely used in the fields of metal processing, electronics industry, mold parts, watch manufacturing, engineering quality inspection and so on. It is an ideal hardness tester for material research and testing.

    MHVS Serious Technical Parameters Comparison Table

    ModelMHV-5MHV-10MHV-30MHV-50
    Test force

    2.942N,4.904N,

    9.807N,19.6N,

    29.42N,49.04N

    2.942N,4.904N,

    9.807N,29.42

    N,49.04N,98.07N

    19.6N,29.4N ,49.0N,98.0N,

    196N,294 N

    9.807N,49.04N,

    98.07N,196.1N,

    294.2N,490.4 N

    Measurement range

    40HV0.3~

    2500HV5

    8HV0.3~

    2500HV10

    10HV2~

    2500HV30

    40HV~

    2500HV

    Hardness symbol

    HV0.3,HV0.5,

    HV1,HV2,

    HV3,HV5

    HV0.3,HV0.5,

    HV1,HV3,

    HV5,HV10

    HV2,HV3,

    HV5,HV10,

    HV20,HV30

    HV1,HV5,

    HV10,HV20,

    HV30,HV50

    The conversion mode of the head and the objective lensManual operationManual operationManual operationManual operation
    Loading and unloading modeAutomatic operationAutomatic operationAutomatic operationAutomatic operation
    Magnification of measuring microscope

    200×(tesing)

    100×(observing)

    200×(tesing)

    100×(observing)

    200×(tesing)

    100×(observing)

    200×(tesing)

    100×(observing)

    Minimum detection unit0.5μm0.5μm0.5μm0.5μm
    Maximum height of applicable materials160mm160mm160mm160mm
    Test to secure the load time0~60s0~60s0~60s0~60s
    Maximum distance from the center of the head to the machine wall135mm135mm135mm135mm
    Display attributesLCD displayLCD displayLCD displayLCD display
    Power supplyAC220V/50HzAC220V/50HzAC220V/50HzAC220V/50Hz
    Dimension of Exterior540*220*650mm540*220*650mm540*220*650mm540*220*650mm
    Machine weight40kg40kg40kg40kg

    Working Principle

    Micro-Vickers (or Knoop) hardness test principle is that put the provisions of the positive pyramid diamond indenter into the sample surface(with fixed experimental force) and maintain a certain length (holding), and then unloading. Finally, there is a positive quadrangular pyramid or kenup indentation with a square surface on the surface of the specimen. Then we can attain the area of indentation via measuring the length of the diagonal by a micrometer eyepiece. Then the corresponding Vickers (or Knoop) hardness values are obtained.


    Feautures

    • Widely used in micro-specimen, thin specimen, surface coating, heat treatment of workpiece surface samples and etc.Vickers hardness test to meet different demands of scientific research institutions, precision machining and quality inspection departments and other materials research;
    • Equipped with a variety of small load Vickers hardness scale spare;
    • Innovative, rugged construction, high reliability, easy to operation, intuitive reading, high efficiency;
    • Host performance is good, the workpiece surface quality and man-made factors have less impact on the hardness test results;
    • Adopt electronic automatic loading system to control the main test force, eliminating the need to load the weight, the operation more convenient;
    • Adopt large-screen LCD liquid crystal display, easy to operate, visually display the test results;
    • Using high-rate optical sensing system and high-precision photoelectric sensing integrated high-tech product technology, greatly improving the test efficiency and accuracy;
    • Adopt diamond indenter, durable and accurate;
    • Adjustable cold light source measurement system that can control the light strength through the software;
    • Optional photographic device, can be achieved on the measured indentation and material microstructure to shoot for later analysis;
    • With ISO 6507, ASTM E92, JIS Z2244, GB/T4340.2 and other relevant domestic and foreign standards.

    MHVS Serious Products Comparison Table

    ModelMHV seriousMHV -Z seriousMHVS seriousMHVS-Z serious
    Measurement methodelectricelectricelectricelectric
    Working principleindentationindentationindentationindentation
    Objective lens and indenter conversion methodmanualautomaticmanualautomatic
    Measuring range8HV~2500HV8HV~2500HV8HV~2500HV8HV~2500HV
    DisplayLCDLCDLarge screen LCD digital displayLarge screen LCD digital display
    CalibrationDetection of standard blocksDetection of standard blocksDetection of standard blocksDetection of standard blocks
    Maximum height of specimen160mm160mm160mm160mm
    Indication error±3.0%±3.0%±3.0%±3.0%

    Configurations

    NO.NameQTY.Remarks

    Standard Configuration

    1Main unit1include a micro-Vickers indenter, a 10×, a 20×
    2Power cable1
    3Weights3
    4Big platform1
    5Middle platform1
    6V type platform1
    7Screwdriver1
    8Cross screwdriver1
    9Horizontal adjustment screw4
    10Digital micrometer eyepiece110×
    11Vickers hardness block2
    12Spare fuse2
    13Spare bulbs26V/2A
    14Plastic dust cover1
    15Attached files1
    16Host accessories box2
    Optional Configuration1DM-2003video measurement device1
    2Computer automatic measuring device1
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