MITECH MHBS-3000Z Brinell Hardness Tester

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MITECH MHBS-3000Z Brinell Hardness Tester

MITECH MHBS-3000Z Brinell Hardness Tester berdasarkan prinsip mekanis dari indentor paduan keras yang menekan ke permukaan sampel untuk menghasilkan lekukan, mewujudkan pengukuran kekerasan material dengan mengukur diameter lekukan, Penggunaan sensor fotolistrik sistem untuk pengukuran optik perbesaran tinggi, dilengkapi dengan perangkat menara otomatis, antarmuka operasi layar sentuh sensitivitas tinggi, dapat mencapai bongkar muat otomatis elektronik, mudah dioperasikan, efisiensi deteksi tinggi.

Product Description

MITECH MHBS-3000Z Brinell Hardness Tester

Mitech MHBS-3000Z Touch Screen Automatic Tower Digital Display Brinell Hardness Tester, based on the mechanical principle of hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurement by measuring the diameter of the indentation, The use of photoelectric sensor system to high magnification optical measurement, equipped with automatic turret device, high sensitivity touch screen operation interface, can achieve automatic loading and unloading of electronic, easy to operate, high detection efficiency.

This device can meet the requirements of hardness testing for quality control and qualified assessment of workpiece samples. It is widely used in metal processing and manufacturing, various failure analysis of metal materials and other fields such as colleges and research institutes. This is to improve work efficiency, product qualification rate, save production costs required professional precision testing equipment.

Function & application

  • Metal processing industry quality control links.
  • Universities teaching and demonstration test.
  • The failure test of metal material.
  • The material hardness test of scientific research institutions.

Working Principle

Hardness is not a simple physical quantity, but a reflection of the material elasticity, plasticity, strength and toughness .and hardness test is the most simple mechanical testing method to determine the metal material performance. Also one of the important means to judge the products quality.
Brinell hardness test: Test force(F) is on the steel ball with certain diameter(D) , pressed on sample surface. After a period of time, cancel the force. The indentation diameter is get by measuring with micrometer ocular,thus to calculate the average pressure(N/mm²).

Working Conditions

  • Working Temperature:18℃~28℃;
  • Relative Humidity:≤65%;
  • Clean environment, no vibration;
  • No corrosive media around.

Instrument Features

  • Suitable for measuring the surface is more rough cast iron, steel and other non-homogeneous specimen Brinell hardness;
  • The use of automatic closed-loop pressure sensor control system, can dynamically reflect the loading process load changes.
  • The automatic turret mechanism can realize the automatic switching function between the objective lens and the indenter and improve the detection efficiency.
  • Using touch screen display interface, display operation integration, simple and intuitive, the technical requirements of the operator is not high;
  • Modeling novel, strong structure, reliability and operability is high, intuitive, high test efficiency;
  • Equipped with excellent performance of the carbide indenter, high hardness, wear resistance, good toughness, while high temperature, corrosion resistance, to ensure that the instrument measured standard, stable and reliable;
  • Support Brinell, Rockwell, Vickers and other hardness standard conversion;
  • Equipped with high-speed thermal printer, you can quickly print out the test data;
  • Meet ISO6507, ISO6506, GB / T231, JJG150 and other relevant domestic and foreign standards.

Instrument Maintenance

  • Each technical requirement of the instrument has already reached the national standards before leaving factory. But its disassembly, transportation or voltage after delivery might cause some data in the instrument changed. So to make the electronic component in normal operation to reduce the testing error, you can use test force of 29400N(3000kgf) pressing times before starting the instrument to eliminate the instrument deformation.
  • The anti-interference component has been installed in the circuit to ensure the transmission of the loading or unloading single of the test force at all levels. At the same time, make sure no strong interference source around when using the instrument, and power off the instrument after finished the testing.
  • All the screws and the caps have been fasten tightly before the instrument leaving factory. However, the screw and cap may become less crowded because that the screw lever for loading and unloading are rotating all the time. If there is irregular noise, when the screw lever rotating, please check and tightened the screw and cap as the below figure shown.

Pulley and cap

  • If there is some tiny noise when unloading, it is normal and no need to worry.
  • Hardness of the use of a period of one year, two adjacent indentation or indentation center to the edge of the distance of not less than 3mm, too close will affect the measured results;
  • The instrument screw level and other movable surface should be lubricated regular
  • When not in use for a long time, please cover the dust cover to prevent dust into the instrument interior. And the hardness block, indenter should be coated with antirust oil to prevent rusting after using.
  • Start using again after long time idling, please make testing after preheating the electrical components.
  • The accuracy of the reading microscope has been adjusted before leaving factory. It is prohibited to disassembly without authorization. Otherwise, it will reduce the reading accuracy of the micro eyepiece.
  • The storage and using of the reading microscope should avoid dust, damp and corrosive gas environment;
  • If there is dirt on the surface of the reading microscope lens, please wipe it with soft absorbent cotton or lens paper. If there is oil pollution, please wipe it slightly by the absorbent cotton with industrial alcohol or ether.
  • Don’t disassemble the instrument without authorization, maintenance related matter, please contact MITECH after-sale service department with 4000600280.

Specifications MITECH MHBS-3000Z Brinell Hardness Tester

The power series 612.5N(62.5kgf)、980N(100kgf)、1225N(125kgf)、1837.5N(187.5kgf)、 2450N(250kgf)、4900N(500kgf)、7350N(750k
Measuring range 8 – 650 HBW
Conversion scale HRA、HRB、HRC、HRD、HV、HK、HBW、HR15N、HR30N、HR45N、HR15T、HR30T、HR45T
Brinell scale HBW2.5/62.5、HBW2.5/187.5、HBW5/125、HBW5/250、 HBW5/750、HBW10/100、HBW10/1500、HBW10/3000、 HBW10/250、HBW1
Testing Force Application Mode Automatic (loading, holding, unloading)
Indenter objective lens conversion mode Automatic
display usage LCD touch screen
Microocular magnification 20X
Test force holding time 0~60s
Minimum division 0.001 mm
Max sample height 230mm
Max distance from head to body 140mm
Voltage AC 220V/50Hz
Size 620*270*900mm
Total Weight 130kg

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