- Power Generation: Monitoring emissions from large boilers using coal, fuel oil, etc..
- Waste Incineration: Ensuring compliance in facilities burning waste.
- Cement Production: Monitoring dust in cement plants.
- Chemical Industry: Monitoring exhaust streams in chemical processes.
- Metal Industry: Used in various metal production facilities.
- Refineries: For stack emission monitoring.
D-R 290
DUST AND OPACITY MONITOR
For continuous, contactless dust and opacity measurement at medium to high concentrations in dry flue and process gases. Also suitable for difficult plant conditions.
- Continuous & Contactless: Measures dust concentration and opacity directly in the flue gas without sample extraction
- Advanced Light Source: Uses Super-Wide Band Diode (SWBD) for greater stability and longer lifetime than conventional LEDs
- Automatic Functions: Automatic zero and span checks; correction for optical surface contamination
- Low Maintenance: Hermetically sealed optics and effective purge air for reliable operation with minimal upkeep
- High Performance: Handles medium to high dust loads and harsh plant conditions, up to 1000°C
- Certified & Compliant: Meets official emission monitoring standards (US-EPA, ASTM, TÜV, MCERTS)
- Easy Installation: Space-saving, straightforward setup
- Display Options: Results shown in opacity, extinction, or mg/m³
- Measuring Principle: Contactless light transmission (opacity/extinction)
- Applications: Flue gas and process gas (air, non-flammable)
- Measurement Ranges:
- Path Length: Up to 18 m
- Dust Concentration: e.g., 0.5–15 mg/m³ (smallest certified range)
- Opacity: 0–25/50/100% OP
- Accuracy: <1% to <2% of measuring range
- Outputs:
- Analog: 1× 4–20 mA
- Digital: 2× NC/NO relays (60 VDC/30 VAC, 0.5 A)
- Serial: RS485 Modbus RTU, USB
- Features: Automatic zero/reference point measurement, contamination compensation, self-check functions, long-life LED
- Operating Conditions: Handles high temperatures (up to 1000°C) and corrosive gases; integrated purge air system
- Protection: IP65 (or IP55 depending on unit); optional explosion-proof
- Power Supply: 115/230 VAC, 50/60 Hz (or 24 VDC variants)
