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30kgf Macro Automatic Turret Vickers Hardness Tester, (HT-MAHV-30Z) by Metallurgical Supplies

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Technical Specifications

Hardness Tester Specs
Hardness Tester TypeMacro Vickers
Indenter objective lens conversion modeAutomatic operation
Machine Application ModeAutomatic operation
Magnification of Measuring Microscope200X(testing) 100X(observing)
Max Height of Specimens160mm
Measuring Range10HV2~2500HV30
Model NumberHT-MAHV-30Z
Test Force Holding Time0~60s
Tester Front DisplayLCD Liquid Crystal Display
30kgf Macro Automatic Turret Vickers Hardness Tester, (HT-MAHV-30Z) by Metallurgical Supplies
  • Stock:1000
  • Reward Points:Receive 0 - META-POINTS
  • Model:HT-MAHV-30Z
  • SKU: HT-MAHV-30Z
190 samples sold

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MODEL #: HT-MAHV-30Z
Product Overview

HT-MAHV-Z series automatic turret 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 work piece 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.

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  
Note:
HV, Vickers hardness symbols   
F, test force   
d, the arithmetic mean 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

  • Widely used in micro-specimen, thin specimen, surface coating, heat treatment of work piece 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;
  • Adopt automatic turret device, can be self-conversion indenter and microscopic eyepiece, high efficiency;
  • Adopt electronic automatic loading system to control the main test force, eliminating the need to load the weight, the operation more convenient;
  • Equipped with a variety of small load Vickers hardness scale spare;
  • Innovative, rugged construction, high reliability, easy to operation, intuitive reading, high efficiency;
  • Adopt large-screen LCD liquid crystal display, easy to operate, visually display the test results;
  • Light mechanical and electrical integration of high-tech products, high efficiency;
  • Adopt high magnification optical sensing system and high precision photoelectric sensing technology, the test point positioning is accurate, the test result is more accurate
  • 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.

 

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