DL3 Particle Strength Tester Technical Specification  

1. Instrument Overview  

- Advanced particle mechanical property analyzer  

- Measures crushing strength and deformation characteristics of individual particles  

- Essential for R&D and quality control in pharmaceutical, catalyst, and material industries  

2. Testing Principle  

- Applies precisely controlled compressive force to single particles  

- Records complete force-displacement profile  

- Calculates multiple mechanical parameters  

3. Key Features  

- Automatic particle recognition and sizing  

- Multi-axis force measurement capability  

- Integrated optical imaging system  

- Advanced data analysis software  

- Touchless particle feeding option  

4. Technical Parameters  

- Force range: 0.01-1000N (±0.25%)  

- Displacement resolution: 50nm  

- Particle size range: 50μm-10mm  

- Testing speed: 1-200 particles/minute  

- Environmental control: 15-40°C, 20-80% RH  

5. Standards Compliance  

- USP <1062> Particle Characterization  

- ASTM E382-20 (Crushing Strength of Formed Catalysts)  

- ISO 4700:2015 (Iron Ore Pellets Testing)  

- EP 10.0 Chapter 2.9.38 (Particle Strength)  

6. Testing Procedure  

1) Sample Preparation  

- Classify particles by size fraction  

- Condition at test environment for 24h  

2) System Setup  

- Select appropriate test method  

- Calibrate with certified reference materials  

3) Test Execution  

- Automated particle feeding  

- Real-time monitoring of test progress  

- Automatic outlier detection  

4) Data Analysis  

- Statistical strength distribution  

- Weibull analysis  

- Particle morphology correlation  

7. Data Interpretation  

- Crushing strength (N/mm²)  

- Elastic modulus calculation  

- Brittleness index  

- Fracture pattern classification  

8. Applications  

- Catalyst mechanical performance testing  

- Pharmaceutical granule formulation  

- Battery electrode material development  

- Ceramic powder characterization  

- Food granule quality control  

9. Maintenance Requirements  

Daily:  

- Clean test chamber  

- Verify force sensor zero  

Weekly:  

- Optical system calibration  

- Mechanical parts inspection  

Quarterly:  

- Full metrological calibration  

- System performance validation  

10. Safety Features  

- Dual emergency stop system  

- Automatic force limitation  

- Environmental monitoring  

- Vibration isolation  

11. Performance Metrics  

- Force accuracy: ±0.25% FS  

- Displacement precision: ±0.05%  

- Testing repeatability: ±1%  

- Maximum throughput: 12,000 tests/day  

12. Customization Options  

- High-temperature testing (up to 300°C)  

- Controlled atmosphere chamber  

- On-line particle size sorting  

- Customized data reporting