Customization: | Available |
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After-sales Service: | Online Technical Support |
Type: | Rockwell Hardness Tester |
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Features:
1. The dial will display hardness value directly, indicator responses sensitively, show the hardness value accurately, the test value is more accurate than national standard;
2. One-time casted molding shell, stable structure and it is not easy to be out of shape. It can work under harsh environment; the shell coating adopted car paint technology with white color. it has strong scratch resistance capability and still look bright as new after use many years;
Working principle of Rockwell hardness test:
The Rockwell scale is a hardness scale based on indentation hardness of a material. The Rockwell test determines the hardness by measuring the depth of penetration of an indenter under a large load compared to the penetration made by a preload. There are different scales, denoted by a single letter, that use different loads or indenters. The result is a dimensionless number noted as HRA, where A is the scale letter.
Main application:
Hardened steel, quenched and tempered steel, annealing steel, bearing steel, strip steel, hardened steel sheet, hard alloy, etc.;
Technical parameters:
Model | HTR-150A (HST-HR150A) |
Rockwell scale | HRA,HRB,HRC,HRD,HRE,HRF,HRG,HRH, HRK,HRL,HRM,HRR |
Conversion scale | Check Conversion table |
Preliminary test force | 10Kg(98N) |
Total test force | 60Kg (588N), 100Kg (980N), 150Kg (1471N) Tolerance range:±1.0% |
Resolution | 0.5HR |
Hardness value range | HRA:20~88 HRB:20~100 HRC:20~70 |
Hardness data read | Dial |
Loading method | Manual |
Dwell time | Manual |
Test space | Maximum height :170mm Maximum throat depth:135mm |
Size / weight | Instrument size: 466*238*630mm(L×W×H)/Net Weight: 65kg |
Executive standard | GB/T230.2 , BSEN 6508, ASTM E18 , ISO 6508 , JJG112 |
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