MITECH MHV-50 Vickers Hardness Tester

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MITECH MHV-50 Vickers Hardness Tester

MITECH MHV50 adalah salah satu Vickers Vickers Tester Mitech MHV series yang ideal untuk penelitian dan pengujian material.

Product Description

MITECH MHV-50 Vickers Hardness Tester

The MITECH MHV50 is one of the Mitech MHV series vickers hardness testers that are ideal for research and testing of materials.

The MITECH MHV50 is one of the Mitech MHV series vickers hardness testers that are ideal for research and testing of materials. Based on the principle that a positive rectangular pyramidal diamond indenter compresses the sample surface to produce indentations. By measuring the length of the diagonal of the indentation to achieve the measurement of material hardness can be for small specimens, thin specimens, surface coating, surface heat treatment of the workpiece Vickers hardness test.

With stable performance, strong structure, high reliability and simple operation, it adopts high magnification optical measurement system, adjusting cold light source, photoelectric sensing technology and computer assistance means it has powerful functions.

It is widely used in the fields of metal processing, electronics industry, metal processing manufacturing quality control link, university education teaching demonstration experiment, metal material failure analysis test, scientific research institute material hardness testing, engineering quality inspection and so on. The working conditions in the use of this tool are operating temperature 18- 28, relative humidity :≤65%, in an environment free from vibration, no corrosive media and installed flat.

Function & application

  • Metal processing manufacturing quality control links
  • University education teaching demonstration experiment
  • Failure analysis test of metal material
  • Testing of material hardness of scientific research institutions
  • Quality inspection departments quality testing links

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.

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

HV=constant×test force / indentation surface area≈0.1891 F/d2
HV, Vickers hardness symbols
F, test force
d, the arithmetic mean of of the two diagonal d1, d2.

Working Conditions :

  • Operation Temperature:18~28℃;
  • Relative Humidity:≤65%;
  • In an environment free from vibration,no corrosive medium.
  • Installed on a flat basis.

Features MITECH MHV-50 Vickers Hardness Tester :

  • 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.

Specifications MITECH MHV-50 Vickers Hardness Tester :

Test force 9.807N、49.04N、98.07N、196.1N、294.2N、490.4 N
Measurement range 40HV~2500HV
Hardness symbol HV1、HV5、 HV10、HV20、HV30、HV50
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
Maximum distance from the center of the head to the machine wall 135mm
Display attributes LCD display
Power supply AC220V/50Hz
Dimension of Exterior 540*220*650mm
Machine weight 40kg

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