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- BENKWELL LHRS-150 Digital Rockwell Hardness Tester
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The BENKWELL LHRS-150 Digital Rockwell Hardness Tester features a large LCD display for clear readings, high reliability, and user-friendly operation. It integrates mechanical precision with advanced electronic control to deliver accurate and repeatable hardness measurements. The automatic testing process minimizes human error and ensures consistent results. Compliant with GB/T 230.2, ISO 6508-2, and ASTM E18 standards.
1. High-Resolution Digital LCD Display
Large LCD screen provides clear, accurate hardness readings and test information for easy viewing and operation.
2. Fully Automatic Electric Loading System
Electric loading with automatic application, dwell, and unloading eliminates manual operation errors and ensures consistent test results.
3. Wide Range of Rockwell Scales
Supports 15 Rockwell scales (HRA–HRV), allowing flexible testing for a wide variety of materials and applications.
4. Data Output and Documentation
Equipped with a built-in printer and RS-232 interface for easy data output, reporting, and quality record management.
| Model | LHRS-150 |
| Rockwell Scales | HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HRL, HRM, HRP, HRR, HRS, HRV |
| Hardness Measurement Range | HRA: 20–88, HRB: 20–100, HRC: 20–70, HRD: 40–77, HRE: 70–100, HRF: 60–100, HRG: 30–94, HRH: 80–100, HRK: 40–100, HRM: 50–115, HRR: 50–115 |
| Preliminary Test Force |
10 kgf (98.07 N) Tolerance: ±2.0% |
| Total Test Forces |
60 kgf (588 N) 100 kgf (980 N) 150 kgf (1471 N) Tolerance: ±1.0% |
| Resolution | 0.1 HR |
| Dwell Time | 0-60 seconds |
| Data Output | Built-in printer, RS232 interface |
| Maximum Specimen Height | 170 mm |
| Throat Depth (Indenter to Wall) | 165 mm |
| Power Supply | AC220V ± 5%, 50-60Hz |
| Overall Dimensions (W × D × H) | 520 x 240 x 700 mm |
| Net Weight | Approx. 80 kg |
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