| Parameter | Specification |
| Model | ET-08A |
| Product Type | Online Air Dust Monitor |
| Measurement Principle | Laser light scattering |
| Detection Sensitivity | 1 CPM = 0.01 mg/m³ under specified calibration conditions |
| Dust Concentration Range | 0.01–100 mg/m³ |
| Customized Range | Available upon request |
| Sampling Flow Rate | 3–16 L/min |
| Particle Size Channels | PM1, PM2.5, PM5, PM10 |
| Measurement Accuracy | ±10% for relative calibration particles |
| Display and Control | Microcomputer touchscreen, digital display |
| Calibration Settings | Adjustable K-value and correction coefficient |
| Measurement Time | Standard 90 seconds; user-adjustable |
| Data Storage | Up to 256 records |
| Measurement Modes | Scheduled and continuous measurement |
| Alarm Function | Supported |
| Communication Interface | RS485 |
| Remote Data Transmission | Connection to PC and data acquisition systems |
| Power Supply | 12 V rechargeable battery |
| Battery Runtime | Up to 12 hours |
| Operating Temperature | −5°C to 40°C |
| Feature | ET-08A Online Air Dust Monitor | Conventional Handheld Dust Meter |
| Monitoring Mode | Online and continuous monitoring | Typically spot measurements |
| Sampling Flow | Configurable from 3–16 L/min | Depends on model |
| Particle Measurement | PM1, PM2.5, PM5, PM10 channels | Depends on model |
| Dust Concentration | 0.01–100 mg/m³ | Depends on model |
| Remote Communication | RS485 interface | May be unavailable |
| Data Storage | Up to 256 records | Depends on model |
| Calibration Adjustment | Adjustable K-value and correction coefficient | Depends on model |
| Typical Applications | Industrial, occupational, and environmental monitoring | Portable inspection and field sampling |