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MSW-20

Brand:

Mitech

Model:

Measuring range:

0~20HW

Resolution Accuracy:

0.5HW

Communication storage:

Working time:

over 48h

Main unit weight:

0.5kg

Dimensions:

Package dimensions:

31.5*21.5*8cm

Total weight:

1.46kg(MSW-20b),1.48kg(MSW-20), 1.53kg(MSW-20a)

Product

  • Overview
  • Graphic
  • Technical
  • Configuration
  • Related

Product

  • Overview
  • Graphic
  • Technical
  • Configuration
  • Related
  • Product Overview

    MSW-20 series aluminum Webster tester is also called clamp type hardness tester, They are divided into MSW-20, MSW-20a, MSW-20b three types, they are light and portable can be hold by one hand, do not need sample when testing, without high skill requirements. It can do fast NDT test of workpiece on site and meet the needs of quality control and qualified rate. It is widely used in production test, acceptance inspection and products quality inspection of aluminum industries and many companies of windows, door and curtain wall, as well as in engineering quality inspection and technical supervision departments. It is a necessary device in raising qualification rate and saving cost.

    Function & application

    l Confirm the workpiece is heat-treated or not,

    l Whether the workpiece is made of improper alloy;

    l Testing over-long or over-weight workpiece;

    l Project acceptance of aluminum factories

    l Do project acceptance in companies of windows, door and curtain wall.

    Working Principle

    MW-20 series Webster hardness tester adopts indentation principle. Under pressure, the indentation is inversely proportional to the material hardness. HW is short for hardness of Webster, when the value is 16, it means the hardness is 16HW. The value can be read on the dial and can be changed into HV, HR. If the sample hardness is out of range, the needle will point at 20, if the range is too low, the needle will not move and it will stay at 0.

    Working Conditions

    The tester should be used in environment of clean, no vibration and no corrosive medium.

    Instrument Features

    l Small portable instrument, small size, light weight, one-handed operation, can quickly measure the hardness of aluminum alloy;

    l Test process without sampling, can be non-destructive testing of material hardness;

    l Easy to learn, no high-skill skills of the operation requirements, the human operation on the measurement results less impact, very suitable for the production site for rapid hardness testing of materials;

    l There is no strict limit on the shape of the workpiece to be measured, suitable for the detection of different shapes of aluminum;

    l Compared with the traditional clamp hardness tester, the digital display is more convenient to read the value, detection and display function separately, to avoid the technical staff in the field when the display device is blocked and can not read the value;

    l The instrument can preset the hardness range, the quality of the workpiece to be tested, the hardness of the workpiece parts range control, improve the measurement efficiency.

    Operating Method and Attentions

    Operation

    Put the specimen between the anvil and the indenter, press down the handle until the bottom is felt. At the time the dial indicator will point at a reading which is the hardness value. Excessive pressure beyond this limit will not damage the tester, but it is unnecessary. Hold tight the handle when reading the value. Any torsion or movement will make the reading incorrect.You can also press unit key to change into value of Hba, HR, HV, HB etc.


    Measure Notes When Testing

    l The use of the process should always pay attention to changes in instrument accuracy, by checking the instrument full scale point (20HW) and the calibration point is inaccurate to find inaccurate and timely correction;

    l The sample surface should be perpendicular to the pressure needle, the bottom of the sample should be closely fit with the anvil, otherwise it will produce measurement error;

    l The test should be applied once enough grip strength, slow afterburner will result in low measurement;

    l Instrument anvil and punch with the same hardness, in addition to check the full scale value, generally do not air play, air play will wear red needle, reduce the needle life;

    l Read the value of the handle should be maintained before the state of the same force until the pointer is stable and then read, read the pointer hardness value should ensure that the line of sight perpendicular to the surface of the dial to reduce the reading error;

    l In the test process should avoid the sample twist, otherwise it will cause errors and damage the pointer;

    l The meter head is an integrated part and can not be forcibly removed.



    Instrument Maintenance

    Instrument Maintenance

    l Prevent contamination, use soft cloth to clean the dust or stain of the tester especially remove the contamination on the dial head or it will cause error.

    l Prevent rust, when using pay special attention to its waterproof performance except clean it frequently, many parts will bear rust with water, the rust in the dial head will cause the instrument useless.

    l Prevent falling off, the tester is made up of many precision components, falling off will result in permanent damage to some parts.

    l Do not dismantle, all the components had already been put together properly in factory except calibration.

  • Measurement Range 0~20HW
    Accuracy 0.5HW
    Accurate Measurement Range 5~18HW
    Resolution 0.1HW
    Hardness Range 25~110HRE, 58~131HV
    Test material Aluminum Alloy(1100~7075 Series)
    Instrument Model MSW-20、MSW-20a、MSW-20b
    Weight 0.5Kg
  • Webster hardness tester standard block
    The standard hardness block is the standard configuration for Mitech series Webster hardness testers. With size of 150×25×2(mm)and hardness of 15.5-16.5HW.It is mainly used to judge whether the measuring error of leeb hardness tester is in the permitted range by national standards or international standards. Each standard hardness block is engraved with the serial number and hardness values which are consistent with qualified certificates one by one, to ensure the traceability for the national standards or International standards. The standard block is specially made with plating harden layer process. With high quality material, its hardness value is stable and reliable. It is the necessary part for accurate measurement of the instrument.
    Webster hardness tester small screwdriver
    The small Screwdriver, its length 145mm, diameter 3mm, mainly used for full scale calibration and indenter change, is one of the standard configuraion of MITECH Webster hardness tester.
    Webster hardness tester special wrench
    The wrench is specially made for Webster hardness tester, its socket diameter 12mm, length 35mm, handle length 50mm,mainly used for standard block calibration and indenter change, is one of the standard configuraion of MITECH Webster hardness tester.
    Webster hardness tester spare indenter
    MITECH Webster hardness tester indenter adopts hard steel material with a super high hardness that meets the standard of GB/T32660-2016,and is suitable for most of them home and abroad.Its coning angle 60°,indenter diameter0.4mm. Mainly used to test the hardness of workpiece on the surface,is one of the standard configuraion of MITECH Webster hardness tester.
    webster hardness tester attached files
    MITECH Webster hardness tester packing information includes product certification, warranty card, product brochures, packing list.  Using a special coated paper printed, brochures graphic design beautiful, easy to understand, easy to long-term preservation. Note: The information of MITECH products can be downloaded at www.websamba.net.
    webster hardness tester ABS case
    MITECH Webster hardness tester box, size 27cm × 18cm × 18.5cm. It is made of ABS plastic, which is waterproof and resistant to shock. It has excellent heat resistance, low temperature resistance and so on. It can effectively protect the oil, dust and various kinds of corrosion in harsh environment. The box size is in line with aviation, (Can be placed under the seat and luggage rack), safe, reliable and stable.
    webster hardness tester AC adapter
    MITECH Webster hardness tester AC adpter,output 4.2V,2A,is used to charge for the battery.
  • Webster hardness tester standard block
    The standard hardness block is the standard configuration for Mitech series Webster hardness testers. With size of 150×25×2(mm)and hardness of 15.5-16.5HW.It is mainly used to judge whether the measuring error of leeb hardness tester is in the permitted range by national standards or international standards. Each standard hardness block is engraved with the serial number and hardness values which are consistent with qualified certificates one by one, to ensure the traceability for the national standards or International standards. The standard block is specially made with plating harden layer process. With high quality material, its hardness value is stable and reliable. It is the necessary part for accurate measurement of the instrument.
    Webster hardness tester spare indenter
    MITECH Webster hardness tester indenter adopts hard steel material with a super high hardness that meets the standard of GB/T32660-2016,and is suitable for most of them home and abroad.Its coning angle 60°,indenter diameter0.4mm. Mainly used to test the hardness of workpiece on the surface,is one of the standard configuraion of MITECH Webster hardness tester.
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MITECH CO. LTD

TEL :

86-10-58859527
008613810243516

ADD:

E-506, 1# of ShangDi East Road, Haidian District, Beijing, China

Email: 

mvip@mitech-ndt.com

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