Main Function
MHB-3000 Digital Brinell hardness tester is a unified product combining the precise mechanical structure and the load cell control system. The instrument adopts the motorized test force application without weights, and uses 0.5‰ accuracy compression sensor to feedback and the CPU control system to automatically compensate the test force lost during the test. With external digital measuring microscope, no need for checking the table or inputting the diagonal of the indentation, it can directly show the hardness value, test force, dwell time and indentation length. As long as press the eyepiece button after measuring the indentation length, it can automatically get the hardness value and shows on the screen, with precise reading and easy operation.
Application Range
Suitable for cast iron, steel products, nonferrous metals and soft alloys etc. Also suitable for some nonmetal materials such as rigid plastics and bakelite etc.
Technical Parameters
|
Model |
MHB-3000 |
|
|
Test Force |
kgf |
62.5kgf, 100kgf, 125kgf, 187.5kgf, 250kgf, 500kgf, 750kgf, 1000kgf, 1500kgf, 3000kgf |
|
N |
612.9N, 980.7N, 1226N, 1839N, 2452N, 4903N, 7355N, 9807N, 14710N, 29420N |
|
|
Test Range |
3.18～653HBW |
|
|
Hardness Reading |
LCD Display |
|
|
Hardness Resolution |
0.01HBW |
|
|
Microscope |
20× Digital Measuring Microscope |
|
|
Effective Field of View |
6mm |
|
|
Min. Measuring Unit |
0.001mm |
|
|
Dwell Time |
0~60s |
|
|
Max. Sample Height |
205mm |
|
|
Throat Depth |
135mm |
|
|
Power Supply |
AC220V,50Hz |
|
|
Execute Standard |
ISO 6506,ASTM E10,JIS Z2243,GB/T 231.2 |
|
|
Dimension |
545×235×755mm, Packing Dimension: 650×435×1020mm |
|
|
Weight |
Net Weight: 130kg,Gross Weight: 160kg |
|
Packing List
|
Name |
Qty |
Name |
Qty |
|
Instrument Main Body |
1 set |
20× Digital Measuring Microscope |
1 pc |
|
Φ2.5mm, Φ5mm, Φ10mm Ball Indenter |
each 1 pc |
Φ200mm Flat Anvil |
1 pc |
|
Φ74mm Flat Anvil |
1 pc |
Φ80mm V-shaped Anvil |
1 pc |
|
Hardness Block 150~250 HBW 10/3000 |
1 pc |
Hardness Block 150~250 HBW 5/750 |
1 pc |
|
Fuse 2A |
2 pcs |
Power Cable |
1 pc |
|
Inner Hexagon Spanner 3mm |
1 pc |
Anti-dust Cover |
1 pc |
|
Usage Instruction Manual |
1 copy |
FAQ
Q: How is the accuracy and load sensor of the testing machine ensured?
A: We utilize high-precision load sensors, all of which are strictly calibrated before leaving the factory and traceable to national metrological standards. The overall accuracy of the equipment typically exceeds ±0.5%, with some models achieving up to ±0.2%. We recommend users undergo periodic third-party metrological verification (usually annually) to ensure long-term accuracy.
Q: What functions does your experimental software support?
A: The system is linked to a hardness tester through a serial port to achieve test force sensing, turret/loading control, and automatic reading. It supports automatic focusing and image acquisition. Automatically measure indentation vertices, support diagonal/four point measurement, and automatically convert hardness values such as Brinell and Rockwell. Generate graphic and textual reports, collect multiple indentation data, easy to operate, and can be mastered in half a day of training. It can still stably read non ideal indentation, with both manual/automatic reading, hardness conversion, and report generation functions, and good repeatability.
Q: Can the software be customized?
A: Yes. We offer a certain level of software customization services, allowing us to add or modify test procedures, control logic, report formats, and data analysis functions based on your specific testing requirements.
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