MITECH JMHVS-1-XYZ Automatic Precision Micro Hardness Tester

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MITECH JMHVS-1-XYZ Automatic Precision Micro Hardness Tester

Mitech JMHVS-1-XYZ automatic precision micro hardness tester,based on the mechanical principle of the positive quadrilateral pyramid diamond indenter into the sample surface to produce indentation.By measuring the diagonal length of the indentation to achieve the hardness of the material.

Product Description

MITECH JMHVS-1-XYZ Automatic Precision Micro Hardness Tester

Mitech JMHVS-1-XYZ automatic precision micro hardness tester,based on the mechanical principle of the positive quadrilateral pyramid diamond indenter into the sample surface to produce indentation.By measuring the diagonal length of the indentation to achieve the hardness of the material.It is designed for small specimens,thick workpiece, heat treatment of the workpiece surface (infiltration coating) Vickers hardness test.With high automation degree,accurate measurement, integrated electromechanical integration in one,and the use of photoelectric sensor system to high magnification optical measurement,it is equipped with automatic turret device,high sensitivity touch screen operation interface to achieve automatic loading and unloading,automatic indentation marks,micro-auto focus measurement indentation diameter,GB/ASTM hardness automatic conversion, automatic test report and other functions.With the function of easy to operate and high efficiency,it is widely used in metal processing,electronics industry,mold parts,watches and clocks manufacturing,engineering quality inspection,and other fields,scientific research institutions etc.and it is the ideal hardness test equipment for sophisticated manufacturing and quality inspection departments to test materials.

Working Principle

The testing principle of Micro Vickers (or Knoop) hardness is the using of regular four-pyramid diamond pressure head, the selected fixed experimental force (load) is pressed into the specimen surface and maintained for a certain length of time (Paula), and then the experimental force (unloading) is removed.A positive pyramid or Knup indentation with a square on the surface of the specimen remains.The length of the diagonal is measured by the micrometer (0.020~1.400mm) to obtain the area of the indentation and to obtain the corresponding Vickers (or Knoop) hardness value.

Usually Vickers hardness values can be converted according to the following formula:

HV = constant × test force / indentation surface area ≈0.1891 F / d2;

Note: HV: Vickers hardness symbol; F: test force (N); d: the arithmetic mean of indentation two diagonal d1, d2.

Working Conditions

  • Operating temperature: 18℃~28℃;
  • Relative Humidity: ≤65%;
  • In the absence of vibration, no corrosive media around the environment;
  • Install horizontally on a solid basis.

Features MITECH JMHVS-1-XYZ Automatic Precision Micro Hardness Tester

  • This product is an integratoin of high-tech innovative products, high degree of automation, accurate measurement, suitable for measuring demand for large or high-precision high-end users.
  • With high-level optical sensor system and high-precision photoelectric sensor technology, the position of the test point is accurate, the test result is more accurate.
  • It uses an adjustable cooling light source measurement system, and the software can control the light source intensity.
  • The automatic turret device can change the pressure head and eyepiece of the microscope, and the testing efficiency is high.
  • Threshold automatic alarm function, making it suitable for finished product batches or semi-finished product workpieces with parts inspection.
  • Using a large-screen LCD, simple and convenient to operate, and can display test results intuitively.
  • With a panel printer, you can print test results in real time.
  • Supports numeric conversion between brinell, vickers and other hardness standards.
  • Meet the standards of GBT4340.1, GBT4340.2, ASTM_E92 and other relevant standards at home and abroad.

Instrument Maintenance

  • Read the manual carefully before using the instrument. Learn the operation steps and attentions to avoid damage the instrument or personal safety accidents caused by improper operation;
  • When handling the instrument, it should be carried at the bottom of the machine, and it is forbidden to fall. Please remove the power plug before handling, fix the measuring lever and remove the weight and boom;
  • When installing and commissioning the instrument, please carefully tear off the shockproof tape for protecting the indenter. If the force is excessive, it will cause the indenter to be accurate.
  • The surface of the test piece should be smooth, no dirt, scale, pits and significant processing traces;
  • When the instrument is used to remove the test force, it is forbidden to turn the handwheel. If the force is rotated, it will cause the internal gear to be dislocated, the test force will be disoriented, and even the damage to the parts inside the machine.
  • Diamond indenter and indenter shaft are the core of the instrument, in the operation, be careful.Don’t touch the pressure head;
  • To ensure the accuracy of the test, the pressure should be kept clean when used, such as indentation of oil or dust and other stains,it can be used with absorbent cotton (industrial) or wipe carefully ether at the top of the indenter;
  • If you don’t use the tester for a long time,it should be covered with dust cover, so as not to dust into the machine.After using the hardness of the block and the ball head, it should be injected into anti-rust oil to prevent rust;
  • Re-enable the device after a long time idle, wait a few minutes to make the internal electrical components of the instrument preheated and then test it to ensure the use of precision;
  • Conducted at least once a year instrument verification, to ensure the accuracy of the hardness tester;
  • Cut off the power supply first when you replace the fuse or remove weight ;
  • Do not disassemble the instrument.Any related matters of repair, please contact the Department of Mitech Instrument Services, 4000600280.

Specifications MITECH JMHVS-1-XYZ Automatic Precision Micro Hardness Tester

Initially test force 10gf (0.098N)、25gf (0.246N)、50gf (0.49N)、100gf (0.98N)、 200gf (1.96N)、300gf (2.94N)、500gf (4.9N)、1k
Measuring range 5-2500HV
Hardness mode HV、HK
Conversion scale HRA、HRB、HRC、HRD、HR15N、HR30N、HR45N、HR15T、HR30T、HR45T、HV、HK、HBW
Applying way of test force Automatic (plus, loading, unloading)
Magnification of measuring microscope 100X(Observation) 400X(Measurement)
The conversion mode of the lens’ head Automatic
Minimum resolution 0.01μm
Maximum height of applicable materials 210mm
Maximum distance from head to the fuselage 320mm
Display characteristics LCD large screen Display
Test force holding time 0~60s
Image focus Manual operation or automatic operation
Camera (Pixel) 1.3 million
Indentation measurement Manual operation or automatic operation
Data statistics Automatically calculate the hardness of the average, variance, Cp, Cpk and other statistical values.
Data storage Raw measurement data, images, etc.which can be saved in the document.
Hardening curve Automatically draw the hardening curve
Suitable for material edge scan Automatic (automatically scans along the edges of the test pieces and draws the edge overall diagram
XYZ Sample Table 110mm*110mm
Mobile control Manual operation or automatic operation
Test report Automatically generate Word or Excel document reports in a format that can be customized (standard f
Power supply AC220V±5%,50~60Hz
Kirschner Hardness It can be set to Vickers hardness measurement
Overall dimensions 490*320*530mm
Machine weight 45kg



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