Heightened Brinell Hardness Tester HB-3000S(H)
Heightened Brinell Hardness Tester HB-3000S(H)
Main Technical Specifications
| Test Force | 62.5kgf(612.9N),100kgf(980.7N),125kgf(1226N), 187.5kgf(1839N),250kgf(4903N),500kgf(4903N),750kgf(7355N),1000kgf(9807N),1500kgf(1471N),3000kgf(29420N) |
| Hardness Range | 8～650 HBW |
| Enlargement Factor of Reading Microscope | 20times |
| Minimum Division Value of Micrometer Drum Wheel | 0.01mm |
| Maximum Height of Specimen | 400mm |
| Distance from the Indenter Central Point to the Instrument Body | 155mm |
| Time-delayed Control | 0~99 seconds, adjustable |
| Power Source | AC220V±5%/50~60HZ |
| Overall Dimension (L×W×H) | (540×280×1040)mm |
| Main Body Weight | 130kg |
To ensure the correctness of Brinell hardness test, it should meet the requirements in the table as follows:
Table.1
|
Material |
Brinell hardness |
F/D2 |
|
Steel and Cast iron |
＜140 |
10 |
|
≥140 |
30 |
|
|
Copper & copper alloy |
＜35 |
5 |
|
35~130 |
10 |
|
|
＞130 |
30 |
|
|
Light metal & its alloy |
<35 |
2.5 |
|
35~80 |
5,10 |
|
|
＞80 |
10 |
|
|
F—test force (kg) ; D—ball diameter (mm) |
||
The displayed value’s repetition and tolerance of the hardness tester:
Table.2
|
Standard hardness test block |
Tolerance of displayed value% |
Repetition of displayed value% |
|
≤125 |
±3 |
3 |
|
125<HBW≤225 |
±2.5 |
2.5 |
|
＞225 |
±2 |
2 |
Correspondent relations among scale, indenter and test force:
Table.3
|
Hardness symbol |
Diameter of Indenter mm |
F/D2 |
Test Force N(kg) |
|
HBW 10/3000 |
10 |
30 |
29420(3000) |
|
HBW 10/1500 |
10 |
15 |
14710(1500) |
|
HBW 10/1000 |
10 |
10 |
9807(1000) |
|
HBW 10/500 |
10 |
5 |
4903(500) |
|
HBW 10/250 |
10 |
2.5 |
2452(250) |
|
HBW 10/125 |
10 |
1.25 |
1226(125) |
|
HBW 10/100 |
10 |
1 |
980.7(100) |
|
HBW 5/750 |
5 |
30 |
7355(750) |
|
HBW 5/250 |
5 |
10 |
2452(250) |
|
HBW 5/125 |
5 |
5 |
1226(125) |
|
HBW 5/62.5 |
5 |
2.5 |
612.9(62.5) |
|
HBW 2.5/187.5 |
2.5 |
30 |
1839(187.5) |
|
HBW 2.5/62.5 |
2.5 |
10 |
612.9(62.5) |
Operational Conditions
3.1.1 Room temperature within 10~30 ℃;
3.1.2 Relative room humidity inferior to 65%;
3.1.3 In an environment without any shock or vibration;
3.1.4 In a surrounding without any corrosive medium
Accessories (The Packing List)
|
1 |
20×reading microscope |
1 |
|
2 |
φ2.5mm ball indenter |
1 |
|
3 |
φ5mm ball indenter |
1 |
|
4 |
φ10mm ball indenter |
1 |
|
5 |
Small plane testing table |
1 |
|
6 |
Big plane testing table |
1 |
|
7 |
V-shaped testing table |
1 |
|
|
Standard hardness test block: |
|
|
8 |
HBW/3000/10 (175~250) |
1 |
|
9 |
HBW/1000/10(75~125) |
1 |
|
10 |
HBW/187.5/2.5(150~250) |
1 |
|
11 |
Spare fuse (2A) |
2 |
|
12 |
Power cord |
1 |
|
13 |
Dust-proof plastic bag |
1 |
|
14 |
Usage instruction manual |
1 |
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