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Digital Rockwell hardness tester (raised type)
The HR300A digital Rockwell hardness tester (raised type) adopts the Rockwell measurement principle and can directly measure Rockwell hardness. It is
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1、 HR300A Digital Rockwell Hardness Tester (Enhanced Type) - Product Overview:
HR300AThe digital Rockwell hardness tester (raised type) adopts the Rockwell measurement principle and can directly measure Rockwell hardness. It is easy to operate, has stable readings, and is easy to maintain. Suitable for Rockwell hardness testing of materials such as hard alloys, carbon steel, alloy steel, cast iron, and non-ferrous metals. It can be widely used in industries such as metrology, mechanical manufacturing, metallurgy, and building materials, as well as hardness testing in research institutes.
2、 HR300A Digital Rockwell Hardness Tester (Enhanced Type) - Product Features:
- HR300ADigital Rockwell hardness tester (raised type)*Large vertical testing space of 430mm (or 450mm), throat depth of 200mm,Especially suitable for measuring medium and large parts. Widely used in industrial fields such as metallurgy, forging, casting, petroleum pipelines, and petroleum drilling tools
- Upgrade to automatic switching test force. Screen buttons select the ruler, automatically recognize and switch to the correct test force, completely avoiding human error operation
- Automatic digital Rockwell hardness tester, capable of automatically measuring Rockwell hardness
- The indenter extends 200mm horizontally and can test surfaces that cannot be measured by ordinary hardness testers, such as the inner surfaces of ring-shaped, tubular, and frame parts, and the base
- Fully functional, capable of testing 15 Rockwell hardness standards, including plastic Rockwell hardness
- Loading, holding, and unloading are controlled by a computer, accurately meeting the new national standards and ASTM standards
- Bilingual menu in Chinese and English, large screen, high-definition, high brightness backlit dot matrix LCD display screen
- The keyboard operation is simple and clear, easy to learn and use
- HB、 Conversion of multiple hardness standards including HV, HLD, and HK, as well as conversion of tensile strength
- 500Automatic storage of group measurement data, testing time, and testing sequence number for easy access or printing at any time
- Equipped with dual communication ports of USB and RS232, it can be connected to an external printer; Or transmit the test results to the computer
- Meets all international Rockwell hardness testing standards, including American standard ASTM E-18, international standard ISO6508, EU standard BS EN6508, and Chinese standard GB/T230.2
3、 HR300A Digital Rockwell Hardness Tester (Enhanced Type) - Main Functions and Technical Indicators:
- Complete measuring scales: capable of performing Rockwell measurements HRA、HRB、HRC、HRD、HRE、HRF、HRG、HRH、HRK、HRL、HRM、HRP、HRR、HRS、HRV There are 15 types of rulers for measurement, covering various hardness ranges of materials such as hard alloys, quenched steel, alloy steel, soft steel, copper, aluminum alloys, engineering plastics, artificial wood boards, etc
- Automatic control of the experimental process: Loading, holding, and unloading are controlled by a built-in computer, accurately meeting the requirements of new national/international standards. The entire testing process is fully automated, eliminating human interference and errors.
- Powerful data processing function: 500 sets of test time, serial number, and test results are automatically stored, which can be called, viewed, and printed at any time, and cannot be changed. Effectively monitor the testing history to ensure the objectivity and fairness of historical data.
- Tolerance limit: Set the allowable error limit, and automatically identify and alarm when exceeding the limit.
- Data statistics: Calculate the mean, mean square error, * large and * small values to directly assess uncertainty.
- Standard conversion: Test results can be converted into Brinell, Vickers, Knoop hardness, and tensile strength.
- Curvature correction: Automatically corrects the measurement results of curved parts.
- Test resolution: 0.1HR
- Preload: 98.07N/10kgf
- Main load: 588.4N/60kgf, 980.7N/100kgf, 1471N/150kgf
- Load holding time: 2-50 seconds, adjustable
- *Large testing space: vertical 430mm (or 450mm), horizontal 200mm
- Power supply: 220V/110V, 50Hz, 4A
- Size: 730mm X 400mm X 1000mm
- Weight: 160kg
4、 Standard configuration:
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Partial optional attachment parameters:
（1）Micro printer.
(2) Short diamond indenterSuitable for measuring the hardness of the inner surface of small hole parts, with a measurable inner diameter of * *23mm， As shown in the figure:
(3) Equipped with a special inner hole adapter, * small and measurable inner diameter φ15mm， As shown in the figure:
(4) Flat diamond indenter. Suitable for smaller slot type parts, with slot width * as small as 4mm and slot depth * as large as 7.8mm, as shown in the figure:
(5) Slender diamond indenter. Suitable for small spaces such as hole bottoms, trenches, and grooves, with a pressure head diameter of 7mm and a length of 17mm, as shown in the figure:
(6) 150mm flat sample table. Suitable for measuring medium-sized workpieces, as shown in the figure:
(7) 230mm flat sample stage. Suitable for measuring larger workpieces, as shown in the figure:
(8) V-shaped/Point dual-use sample table. Suitable for measuring thin plates and small shafts, as shown in the figure:
(9) Auxiliary support. Suitable for measuring large workpieces such as long axes, as shown in the figure:
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