HR-150D Electric Rockwell Hardness Tester
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Description
Product Introduction:
The HR-150D digital Rockwell hardness tester features an automatic test-force application and removal mechanism, with test-force adjustment achieved by rotating the load‑change handwheel. It is easy and quick to operate; aside from zeroing the dial, there are no human‑induced operational errors, and it offers high sensitivity and excellent stability.
Main uses and scope of application:
Quenched steel, tempered steel, annealed steel, bearing steel, strip steel, hardened thin steel sheets, and cemented carbides are widely used; accordingly, Rockwell hardness testing has found extensive application in manufacturing, serving as a primary method for assessing product quality and establishing optimal processing parameters. The Rockwell hardness tester is a commonly employed instrument in production facilities, universities, and research institutions for conducting hardness tests and supporting teaching and research activities.
Key functions and features:
1. The hardness value is read directly from the dial; the pointer responds quickly, and the measured results exceed the national standard.
2. The housing is manufactured in a single casting using a specialized sand‑casting process, ensuring a stable, deformation‑free structure that can operate reliably even in harsh environments. The automotive‑grade paint finish offers excellent scratch resistance, maintaining a bright, like‑new appearance even after years of use.
3. Test force: Application, hold, and release are performed automatically;
4. We possess in-house R&D, design, and manufacturing capabilities, and our machines come with lifetime support for parts replacement and maintenance upgrades.
Technical Specifications:
| Product model | HR-150D |
| Initial test force | 10 kgf (98.07 N) |
| Test force | 60 kgf (588 N) 100 kgf (980 N) 150 kgf (1471 N) |
| Rockwell scale | HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK |
| Test Scope | HRA:20-88 HRB:20-100 HRC:20-70 HRD:40-77 |
| HRF:60-100 HRG:30-94 HRH:80-100 HRK:40-100 | |
| Data Output | Dial reading |
| Implementation Standard | GB/T 230.1, GB/T 230.2 National Standards, JJG 112 Verification Procedure |
| Maximum specimen height | 230mm |
| Indentor–outer wall distance | 165mm |
| Power supply | AC 220V +5%, 50~60Hz |
| External dimensions (mm) | 520*240*700 |
| Host weight | Approximately 70 kg |
Standard configuration:
| Name | Quantity | Name | Quantity |
| Diamond Rockwell indenter | 1 piece | 1.5875 mm diameter ball indenter | 1 piece |
| Rockwell hardness block | 3 pieces | Large, medium, and V-shaped test stands | One of each |
| Screwdriver | 1 | Dust-proof plastic cover | 1 piece |
| Power cord | 1 piece | Fuse | 2 pieces |
| Product User Manual | 1 serving | Attachment Box | 1 piece |
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