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Address: #613A, LinJI Industrial Building ,No.53 of Shun Ren Road ,Lin He Industrial park, ShunYi District ,101300 Beijing ,China
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570HAD Digital universal hardness tester
1. Hardness is one of the important mechanic characteristics of the material while the hardness testing is an important method to judge the quality of the metal material or its component parts. The hardness of the metal is correspondent to its mechanic characteristics, and so its mechanic characteristics such as the strength, tiredness, wriggling and wearing out can be tested out approximately through its hardness testing.
2. Digital multi-functional hardness tester with Brinell, Rockwell, Vickers three testing methods, multi-functional hardness tester of seven grade test force, it can meet the needs of a variety of hardness tests. Test force loading, dwell, unload adopted automatic switching mechanism, test force transformation obtained by the rotation of hand wheel, indentation measured by precision encoder and sensor and calculated the hardness value by the internal system program. So it is easy to operate, fast and intuitive interface, basically, no human operation error, with its high sensitivity, stability, it is suitable for workshops and laboratories.
The main function as follows:
2.1 Brinell, Rockwell, Vickers three testing methods；
2.2 Conversion of different hardness scales
2.3 Selection of dwell time
2.4 Modifications of time and date
Specifications of Rockwell Hardness
2.5 Output of testing results2.6 RS232 interface for optional functions, this model can save testing results and browse testing pages.
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)
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 | |||
6The Tolerance of Rockwell Hardness Display Value
| Hardness Scale | Hardness Range of The Standard Testing Blocks | The Max. Tolerance of Display Value | Repeatability a |
| HRA | (20~≤75)HRA | ±2HRA | ≤0.02(100－H)or 0.8 Rockwell Unit b |
| (＞75~≤88)HRA | ±1.5HRA | ||
| HRB | (20~≤45)HRB | ±4HRB | ≤0.04(130－H)or 1.2 Rockwell Unit b |
| (＞45~≤80)HRB | ±3HRB | ||
| (＞80~≤100)HRB | ±2HRB | ||
| HRC | (20~≤70)HRC | ±1.5HRC | ≤0.02(100－H)or 0.8 Rockwell Unit b |
| a:H is average hardness value b:Confirm as higher value | |||
Brinell Hardness
6. 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,φ5mm Ball 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 | 100 | ||
8The 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 |
9Technical 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 | |
| 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 | ≤250HV | ±3% | ≤225HV | 6% |
| HV100 | 300~1000HV | ±2% | ＞225HV | 4% |
11. The Tolerance and Repetition of Displayed Value for Vickers Hardness Tester
Accessories(Packing list)
1. Accessories Kit of Main Body
| No. | Description of Goods | Quantity |
| 1 | Diamond Rockwell Indenter | 1 PC |
| 2 | φ1.5875mm Steel ball indenter | 1 PC |
| 3 | Large Test Table, Medium Test Table, V-shaped Test Table | 3 PCS |
| 4 | 0,1,2,3,4 weight | 5 PCS |
| 5 | Standard Hardness Block HRC ( High, Lower) , Standard Hardness Block HRB | 3 PCS |
| 6 | Level Regulation Screw | 4 PCS |
| 7 | Screw driver, Spanner | 2 PCS |
| 8 | Power cable | 1 PC |
| 9 | Instruction Manual | 1 PC |
| 10 | Plastic Anti-dust Bag | 1 PC |
Accessories Kit of Microscope
| No. | Description of Goods | Quantity | |
| 1 | Eyepiece | 1 PC | |
| 2 | Seat of Microscope | 3 in all | 1 PC |
| 3 | Outside Light | 1 PC | |
| 4 | Inside Light | 1 PC | |
| 5 | 2.5× objective | 1 PC | |
| 6 | 5× objective | 1 PC | |
| 7 | Slipped Testing Table | 1 PC | |
| 8 | Diamond Vickers Indenter | 1 PC | |
| 9 | φ2.5mm,φ5mm Ball Indenter | 2 PCS | |
| 10 | Standard Vickers Hardness Block(HV30) | 1 PC | |
| 11 | Standard Brinell Hardness Block(HBW/2.5/187.5) | 1 PC | |
| 12 | Level | 1 PC | |
| 13 | Fuse 2A | 2 PCS | |
