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Direct Reading Brinell Hardness Tester HBS-3000
Direct Reading Brinell Hardness Tester HBS-3000 is a precision mechanical structure and micro-machine control closed-loop system of mechatronics products, the HBS-3000 apply to operational process and test manufacturing enterprises,colleges and scientific institutions.
Main Feature
• The closed-loop sensor loading and electronic control system are adopted.
• Photoelectric sensing system, with 10 levels of test force.
• Through soft key input, the conversion between test method and various hardness can be selected.
• The data of operation process and test result can be displayed on the LCD screen.
• The data of the test results can be output through the printer.
• Manually switch the pressure head and objective lens.
Specification
| Model | HBS-3000 |
| Total Test force | 62.5kgf (612.9N)，100kgf (980.7N)，125kgf (1226N)，187.5kgf (1839N)，250kgf 250kgf (2452N)，500kgf (4903N)，750kgf (7355N)，1000kgf (8907N)，1500kgf 1500kgf (14710N)，3000kgf (29420N) |
| Hardness Test Range | 8 – 650 HBW |
| Amplifying Ratio of Microscope | 20× |
| Hardness Scale | HBW2.5/62.5, HBW2.5/187.5, HBW5/62.5, HBW5/125,HBW5/250, HBW5/750, HBW10/100, HBW10/25, HBW10/500, HBW10/1000, HBW10/1500, HBW10/3000 |
| Duration time | 50~60S |
| Minimum Graduation of the Measuring Drum | 0.625μm |
| Maximum Height of Specimen | 220 mm |
| Distance between Center of Indenter and the Column | 145 mm |
| Power Supply | AC 220V/50Hz |
| Overall Size of the Tester (L×W×H) | 550×250×780mm |
| Total Weight of the Tester | 123 kg |
|
Item |
Quantity |
Item |
Quantity |
| 20×eyepiece |
1 |
Large, medium, V shaped test table |
Each 1 |
| Hard alloy indenter（φ2.5，5，10mm） |
Total 3 |
Standard test blockHBW/3000/10(150～250) HBW/1000/10(75～125)HBW/187.5/2.5(150～250) |
Total 3 |
| Power cord |
1 |
|
|
| Certificate, warranty card |
1 |
Manual |
1 |
Hardness Testers Categories
Hardness test is one of the easy test methods in mechanical property test. when hardness tests is instead of mechanical property tests, an accurate conversion between hardness and strength is needed.
1. Leeb Hardness Tester Is designed according to the latest Principles of The Leeb Hardness Test using the most advanced microprocessor technology.
2. Brinell hardness (HB) a certain size (diameter is usually 10mm) of hardened steel ball is pressed into the material surface with a certain load (generally 3000kg) and kept for a period of time. After unloading, the ratio of the load to the indentation area is brinell hardness value (HB), and the unit is kilogram force /mm2 (N/mm2).
3. Rockwell hardness (HR) when the HB>450 or the sample is too small, the brinell hardness test cannot be used but rockwell hardness measurement.It USES a diamond cone with a top Angle of 120° or a steel ball with a diameter of 1.59 and 3.18mm to press into the surface of the measured material under a certain load, and the hardness of the material is calculated from the depth of the indentation.There are three scale according to the hardness of the test material
4. HRA: It is the hardness obtained by using 60kg load and drill cone presser. It is used for extremely hard materials (such as hard alloy).
5. HRB: The hardness is obtained by using 100kg load and 1.58mm diameter hardened steel ball. It is used for materials with low hardness (such as annealed steel, cast iron, etc.).
6. HRC: It is the hardness obtained by 150kg load and drilling-cone presser. It is used for very hard materials (such as hardened steel.
7. Vickers hardness (HV) Is calculated by pressing into the material surface with a load of less than 120kg and a diamond square cone impinger with a top Angle of 136°. Then, the load value is divided by the surface area of the indentation pits.
8. Webster’s Hardness Tester (HW)
It is suitable for measuring the hardness of aluminum alloy products.
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