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BI 7020 · NPL-certified, EN 15267 compliant
Online Stack Dust Monitor — Opacity
In-situ direct stack dust monitor based on Green LED transmissometry, NPL-certified for performance as per EN 15267. Unit programmable in mg/m³, mg/Nm³ and % Opacity. Rugged design with no moving parts and long LED source lifetime.
Key Features
- ✓In-situ direct measurement in flue gas
- ✓Unit programmable: mg/m³, mg/Nm³, % Opacity
- ✓RS485 Modbus protocol
- ✓Green LED source — long lifetime stability
- ✓Single & dual pass transmissometer
- ✓No moving parts — low maintenance
- ✓IP65 enclosure
Applications
Power plantsCement & steel industriesCEMS installationsStack emission compliance
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Technical Specifications
| Range | 0–100% Opacity, 0–1000 mg/m³ |
| Units | mg/m³, mg/Nm³, % Opacity |
| Accuracy | ±1% FSD |
| Resolution | 0.1% |
| Drift | ±1% opacity / month |
| Wavelength | 510–540 nm Green LED |
| Stack Temp | 200°C (higher on request) |
| Power | 24 V DC (230 V AC optional) |
| Output | 4–20 mA + 2 relays |
| Communication | RS485 Modbus |