GWJ-A Multi-Channel Particle Detector Technical Specification  

1. Instrument Overview  

- High-sensitivity particulate monitoring system  

- Simultaneous multi-point detection capability  

- Designed for cleanroom and critical environment monitoring  

2. Detection Principle  

- Laser scattering technology  

- Real-time particle counting and sizing  

- Continuous flow sampling  

3. Key Features  

- 6 independent sampling channels  

- Touchscreen interface with data logging  

- Programmable alarm thresholds  

- ISO 21501-4 compliant  

- Network connectivity for remote monitoring  

4. Technical Parameters  

- Particle size range: 0.3-10μm  

- Flow rate: 2.83 L/min per channel  

- Concentration range: 1-1,000,000 particles/ft³  

- Accuracy: ±10% of reading  

- Power: 100-240V AC, 50/60Hz  

5. Standards Compliance  

- ISO 14644-1 Cleanroom Standards  

- EU GMP Annex 1  

- USP <797> Pharmaceutical Compounding  

6. Operation Process  

1) System Setup  

- Connect sampling tubes to monitoring points  

- Initialize baseline calibration  

- Set particle size bins  

2) Monitoring Operation  

- Continuous sampling from all channels  

- Real-time data display  

- Automatic alarm triggering  

3) Data Analysis  

- Trend chart generation  

- Statistical reporting  

- Export to CSV/PDF formats  

7. Performance Metrics  

- Counting efficiency: 50% at 0.3μm  

- Zero count: <1 count/5 minutes  

- Channel consistency: ±5%  

8. Applications  

- Pharmaceutical manufacturing  

- Microelectronics cleanrooms  

- Hospital operating theaters  

- Vaccine production facilities  

9. Maintenance Requirements  

Monthly:  

- Flow rate verification  

- Sensor window cleaning  

Quarterly:  

- Full calibration check  

Annually:  

- Comprehensive performance validation  

10. Safety Features  

- Overcurrent protection  

- Sample flow monitoring  

- Data backup system  

- Password-protected access  

11. System Advantages  

- Reduced installation costs vs multiple single units  

- Centralized monitoring capability  

- Historical data tracking  

- Flexible configuration options  

12. Customization Options  

- Additional channel capacity  

- Microbial sampling capability  

- Environmental parameter sensors  

- Custom reporting formats