Active Member
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[China]
Address: 7th Floor, Chengyuan Building B, the Mid. Road of Jiancaicheng Haidian Dist.BeiJing,CHINA 100096
Contact name:
HUATEC GROUP CORPORATION |
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Digital Brinell Rockwell vickers hardness tester HBRV-187.5S, AC220V±5%, 50-60 Hz Acurate Brinell Hardness Tester
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 the Indenter Center to the Instrument Body: 165mm
4.Overall Dimension (Length×Width×Height): 551×260×800 mm
5.The Net Weight of the Tester: 80kg (Approx)
6.Specifications of Rockwell Hardness
Testing force(N) | Initial Testing Force | 98.07(10kg) | Tolerance ±2.0% | |
Total testing force | 588.4(60kg) | Tolerance ±1.0% | ||
980.7(100kg) | ||||
1471(150kg) | ||||
Indenter | Diamond Cone Indenter | |||
Ф1.5875mm Ball Indenter | ||||
Scales | HRA | HRB | HRC | HRD |
Max height of samples | 175mm | |||
7.The Tolerance of Rockwell Hardness Display Value
Hardness Scale | HardnessRangeof The Standard Testing Blocks | The Max. Tolerance of Display Value | Repeatabilitya |
HRA | (20~≤75)HRA | ±2HRA | ≤0.02(100－H)or 0.8 Rockwell Unitb |
(＞75~≤88)HRA | ±1.5HRA | ||
HRB | (20~≤45)HRB | ±4HRB | ≤0.04(130－H)or 1.2 Rockwell Unitb |
(＞45~≤80)HRB | ±3HRB | ||
(＞80~≤100)HRB | ±2HRB | ||
HRC | (20~≤70)HRC | ±1.5HRC | ≤0.02(100－H)or 0.8 Rockwell Unitb |
a:H is average hardness value b:Confirm as higher value | |||
8.The Technical Specification of Brinell Hardness Tester
Testing force | 294.2N(30kg) | Tolerance ±1.0% | ||
306.5N(31.25kg) | ||||
612.9N(62.5kg) | ||||
980.7N(100kg) | ||||
1839N(187.5kg) | ||||
Indenter | φ2.5mm,φ5mmBall Indenter | |||
Scales | HBW1/30 | HBW2.5/31.25 | HBW2.5/62.5 | |
HBW5/62.5 | HBW10/100 | HBW2.5/187.5 | ||
Eyepiece magnification | 15× | |||
Objective | 2.5×(resolution 0.5μm),5×(resolution 0.25μm) | |||
Max Height of Sample | For 2.5×:Max Height is 95mm For 5×:Max height is 115mm | |||
9. The Tolerance and Repetition of Displayed Value for Brinell Hardness Tester
Hardness Block(HBW) | Tolerance(%) | Repeatability (%) |
≤125 | ±3 | 3 |
125＜HBW≤125 | ±2.5 | 2.5 |
＞225 | ±2 | 2 |
10. Technical Specifications of Vickers Hardness
Test force | 294.2N(30kg) | Tolerance ±1.0% |
980.7N(100kg) | ||
Indenter | Diamond Vickers Indenter | |
Scale | HV30 | HV100 |
Eyepiece magnification | 15× | |
Objective magnification | 5×(Resolution 0.25μm) | |
Max. Height of Specimen | 115mm | |
11. The Tolerance and Repetition of Displayed Value for Vickers Hardness Tester
Tolerance of Displayed Value | Repetition of Displayed Value | |||
Hardness scale | Value of Hardness Block | Tolerance of Displayed Value | Value of Hardness Block | Repetition of Displayed Value |
HV30 HV100 | ≤250HV | ±3% | ≤225HV | 6% |
300~1000HV | ±2% | ＞225HV | 4% | |
