HBRV-187.5 Electric Brinell–Rockwell Hardness Tester
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Description
Product Overview
The HBRV‑187.5 Brinell‑Rockwell‑Vickers hardness tester is a versatile, multi‑purpose instrument that supports three testing methods—Brinell, Rockwell, and Vickers—and offers seven levels of test force, meeting users’ diverse hardness‑testing requirements. After manually applying the initial test force, the application, holding, and removal of the total test force are performed automatically.
Key features:
1. The optical system not only delivers crisp images but can also function as a simple microscope; its brightness is adjustable, providing comfortable viewing and reducing eye strain during prolonged use.
2. Equipped with Brinell, Rockwell, and Vickers testing methods and seven levels of test force, it can meet a wide range of hardness‑testing requirements.
3. The cast housing features a one-piece, integral structure that remains stable and deformation‑free; its pure white automotive baked finish exudes high quality, offers excellent scratch resistance, and retains a like‑new shine even after years of use.
4. The machine is eligible for lifetime replacement of parts and maintenance/upgrade services.
Main uses and scope of application:
1. Determination of Brinell, Vickers, and Rockwell hardness for ferrous metals, nonferrous metals, and cemented carbides:
2. Brinell hardness of castings, annealed steel, normalized steel, nonferrous metals, and soft alloys;
3. Rockwell hardness of heat-treated materials such as quenched and tempered steels;
4. Vickers hardness of nitrided layers, ceramics, thin sheets, metal foils, electroplated coatings, and miniature components;
Technical Specifications:
| Product model | HBRV-187.5 |
| Force value | 30–187.5 kgf, 7th‑grade test force |
| Brinell scale | HB1/30, HB2.5/31.25, HB2.5/62.5, HB2.5/187.5, HB5/62.5, HB10/100 |
| Brinell test force | 30, 31.25, 62.5, 100, 187.5 kgf (294.2, 306.5, 612.9, 980.7, 1839 N) |
| Rockwell scale | HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HRL, HRM, HEP, HRR, HRS, HRV |
| Rockwell test force | 60 kgf (588 N) 100 kgf (980.7 N) 150 kgf (1471 N) |
| Vickers scale | HV30 HV100 |
| Vickers test force | 30 kgf (294.2 N) 100 kgf (980.7 N) |
| Objective lens | 2.5X objective lens 5X objective lens |
| Microscope magnification | Brinell: 37.5×, Vickers: 75× |
| Minimum unit of measurement | Brinell: 0.004 mm Vickers: 0.002 mm |
| Maximum test altitude | Rockwell 230 mm, Vickers and Brinell 180 mm |
| Shelf life | 2~60s |
| Hardness Test Range | Rockwell: 20–100 Vickers: 8–2900 Brinell: 3–650 HBW |
| Power supply | AC 220+5%, 50~60 Hz |
| External dimensions (mm) | 530*200*700 |
| Host weight | 95kg |
Attachment:
| Name | Quantity | Name | Quantity |
| Rockwell diamond indenter | 1 piece | Rockwell 1.5875 mm carbide indenter | 1 piece |
| Vickers diamond indenter | 1 piece | Brinell 2.5 mm cemented carbide indenter | 1 piece |
| Measuring microscope | 1 piece | Lighting lamp | One set each |
| Hardness block | 3 pieces | Medium and V-shaped test stand | One each |
| Power cord | 1 root | Sliding test bench | 1 piece |
| Objective lens | 2 pieces | Product Manual | 1 serving |
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