1. Product Overview
The Laser Backscatter Dust Meter uses advanced laser backscatter technology to continuously and accurately monitor particulate matter (dust) emissions from industrial flue gas, chimneys, and other sources. The compact and easy-to-install device features strong anti-interference capability, on-site display for real-time readings, and standard industrial 4-20mA output for seamless integration with monitoring systems.
2. Key Features
Laser backscatter principle, resistant to mechanical vibration and temperature variations
Single-end installation, no optical alignment required
On-site display of dust concentration for immediate monitoring
Modulated laser enhances anti-interference capability
Tool-free installation for minimal complexity
Standard 4-20mA output, easy integration with control systems
Low power consumption (~3W), suitable for continuous online monitoring
Measurement range adaptable, suitable for chimney diameters 1-15 meters
3. Technical Specifications
| Parameter | Specification |
| Dimensions / Weight | 105×105×280mm / 3 kg |
| Measurement Range | 0-500 mg/m³ (standard), 0-10 g/m³ (customizable) |
| Sensitivity | 1 mg/m³ |
| Display | 128×64 graphical LCD |
| Output Signal | 4-20mA, load 500Ω |
| Power Consumption | 3 W |
| Power Supply | DC 24V ±10% |
| Operating Temperature | -40℃~65℃ |
| Relative Humidity | 0-95% RH (non-condensing) |
| Medium Temperature | Up to 300℃ standard, higher on request |
| Measurable Chimney Diameter | 1~15 m |
4. Applications
Industrial boiler flue gas monitoring
Cement plants, steel mills, and metallurgical emissions
Waste incineration and hazardous waste treatment plants
Power plant emissions monitoring
Construction dust control and environmental monitoring
Integration with CEMS and industrial environmental management systems
