HRM-45D Electric Surface Rockwell Hardness Tester
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Description
Product Introduction:
The HRM-45D electric surface Rockwell hardness tester features an automatic test-force application and removal mechanism, with 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. It is suitable for both workshop and laboratory use and has found widespread application across various industries.
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 appropriate 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. It features high‑grade automotive paint with excellent scratch resistance, maintaining a like‑new shine 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, maintenance, and upgrades.
Technical specifications:
| Product model | HRM-45D |
| Initial test force | 3 kgf (29.42 N) |
| Test force | 15kgf(147.1N) 30kgf(294.2N) 45kgf(441.3N) |
| Rockwell scale | HR15N, HR30N, HR45N, HR15T, HR30T, HR45T |
| Data Output | Dial reading |
| Implementation Standard | GB/T 230.1, GB/T 230.2 National Standards, JJG 112 Verification Procedure |
| Maximum specimen height | 190mm |
| Indentor–outer wall distance | 160mm |
| 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 | Dustproof plastic cover | 1 piece |
| Power cord | 1 piece | Fuse | 2 pieces |
| Product User Manual | 1 serving | Attachment Box | 1 piece |
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