Description:
Technical specifications
1. The Power Source and the Voltage: AC220V±5%, 50-60 Hz
2. Time-delayed control: 0-60 seconds, adjustable
3. The Distance from theIndenterCenterto the Instrument Body:165mm
4. Overall Dimension (Length×Width×Height): 551×260×800 mm
5. The Net Weight of the Tester:80kg(Approx)
Rockwell Hardness
6. Specifications of Rockwell Hardness
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Testing force（N） |
Initial Testing Force |
98.07（10kg） |
Tolerance ±2.0% |
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Total testing force |
588.4（60kg） |
Tolerance ±1.0% |
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980.7（100kg） |
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1471（150kg） |
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Indenter |
Diamond Cone Indenter |
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Ф1.5875mmBall Indenter |
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Scales |
HRA |
HRB |
HRC |
HRD |
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Max height of samples |
175mm |
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7. The Tolerance of Rockwell Hardness Display Value
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Hardness Scale |
Hardness Range of The Standard Testing Blocks |
The Max. Tolerance of Display Value |
Repeatability |
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HRA |
（20~≤75）HRA |
±2HRA |
≤0.02（100－H）or 0.8 Rockwell Unitb |
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（＞75~≤88）HRA |
±1.5HRA |
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HRB |
（20~≤45）HRB |
±4HRB |
≤0.04（130－H）or 1.2 Rockwell Unitb |
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（＞45~≤80）HRB |
±3HRB |
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（＞80~≤100）HRB |
±2HRB |
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HRC |
（20~≤70）HRC |
±1.5HRC |
≤0.02（100－H）or 0.8 Rockwell Unitb |
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a：H is average hardness value b：Confirm as higher value |
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Brinell Hardness
8. The Technical Specification of Brinell Hardness Tester
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Testing force |
294.2N（30kg） |
Tolerance ±1.0% |
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306.5N（31.25kg） |
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612.9N（62.5kg） |
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980.7N（100kg） |
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1839N（187.5kg） |
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Indenter |
φ2.5mm、φ5mmBall Indenter |
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Scales |
HBW1/30 |
HBW2.5/31.25 |
HBW2.5/62.5 |
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HBW5/62.5 |
HBW10/100 |
HBW2.5/187.5 |
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Eyepiece magnification |
15× |
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Objective |
2.5×（resolution 0.5μm）、5×（resolution 0.25μm） |
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Max Height of Sample |
For 2.5×：Max Height is95mm For 5×：Max height is115mm |
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9. The Tolerance and Repetition of Displayed Value for Brinell Hardness Tester
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Hardness Block（HBW） |
Tolerance（%） |
Repeatability （%） |
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≤125 |
±3 |
3 |
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125＜HBW≤125 |
±2.5 |
2.5 |
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＞225 |
±2 |
2 |
Vickers Hardness
10. Technical Specifications of Vickers Hardness
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Test force |
294.2N（30kg） |
Tolerance ±1.0% |
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980.7N（100kg） |
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Indenter |
Diamond Vickers Indenter |
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Scale |
HV30 |
HV100 |
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Eyepiece magnification |
15× |
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Objective magnification |
5×（Resolution 0.25μm） |
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Max. Height of Specimen |
115mm |
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11. The Tolerance and Repetition of Displayed Value for Vickers Hardness Tester
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Tolerance of Displayed Value |
Repetition of Displayed Value |
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Hardness scale |
Value of Hardness Block |
Tolerance of Displayed Value |
Value of Hardness Block |
Repetition of Displayed Value |
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HV30 HV100 |
≤250HV |
±3% |
≤225HV |
6% |
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300~1000HV |
±2% |
＞225HV |
4% |
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