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Automatic Turret Digital Micro Hardness Tester, (HT-VCK-ATDM) by Metallurgical Supplies

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Technical Specifications

Hardness Tester Specs
Camera (Pixel)Options Available
Conversion ScaleYes
Hardness Tester TypeMicro Vickers
Indenter objective lens conversion modeManual
Machine Application ModeAutomatic
Magnification of Measuring Microscope100X(Observation) 400X(Measurement)
Max Height of Specimens75mm
Measuring Range5~2500HV
Model NumberHT-VCK-ATDM
Test Force Holding Time0~60s
Test ReportYes
Tester Front DisplayLED Digital Display
Automatic Turret Digital Micro Hardness Tester, (HT-VCK-ATDM) by Metallurgical Supplies
  • Stock:1000
  • Reward Points:Receive 0 - META-POINTS
  • Model:HT-VCK-ATDM
  • SKU: HT-VCK-ATDM
190 samples sold

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Overview

HT-VCK-ATDM automatic turret digital micro 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 digital display, stable measured value, automatic turret system, high magnification optical measurement system, photoelectric sensor and other high-tech, through computer-aided software, it can achieve a number of functions such as adjustable light source and it is the upgraded products of universal micro hardness tester. 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 in surrounding.
  • Installed on a flat basis

Features

  • Widely used in the fields of metal processing, electronics industry, mold parts, watch manufacturing, engineering quality inspection.
  • Adopt automatic turret device, can be self-conversion indenter and microscopic eyepiece, high efficiency;
  • With threshold overrun automatic alarm function, suitable for batch finished or semi-finished work piece detection
  • Adopt large-screen LCD liquid crystal display, easy to operate, visually display the test results;
  • Adopt high magnification optical sensing system and high precision photoelectric sensing technology, the test point positioning is accurate, the test result is more accurate;
  • Adjustable cold light source measurement system that can control the light strength through the software;
  • Equipped with high-speed thermal printer, real-time print test results;
  • Support Brinell, Vickers and other hardness units convert.
  • With GBT4340.1, GBT4340.2, ASTM_E92 and other relevant domestic and foreign standards.

Specifications

Test force10gf (0.098N), 25gf (0.245N), 50gf (0.49N), 100gf (0.98N), 200gf (1.96N), 300gf (2.94N), 500gf (4.9N
Measuring range5~2500HV
Conversion scaleHRA、HRB、HRC、HRD、HR15N、HR30N、HR45N、 HR15T、HR30T、HR45T、HV、HK、HBW
Applying way of test forceAutomatic (loading, holding, unloading)
Conversion way of indenterAutomatic
Magnification of measure microscope100X(observing )400X(measuring)
Test force holding time0~60s
Minimum resolution0.01μm
Maximum height of specimen75mm
Maximum distance of indenter to fuselage center95mm
Display attributesLED Digital Display
Minimum index of the micrometer drum0.0625μm
Power supplyAC220V±5%, 50~60Hz
Dimension441*270*480mm
Main unit weight31kg

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