- Waste incineration plants – for monitoring emissions from municipal waste, hazardous waste, and sewage sludge.
- Power generation – used in gas, oil, coal, and co-firing power stations to meet environmental compliance.
- Wet cleaning systems – suitable for saturated gas after wet scrubbers, desulfurization units, and other high-moisture processes.
- Industrial processes – used in cement, lime, steel, food, and grain industries to track filter efficiency and process emissions.

D-R 820 F
DUST MONITOR
Extractive measurement of wet flue or process gases. For monitoring small to medium dust concentrations.
- Measurement Principle: Extractive sampling with forward scattered light; gas is drawn, diluted, heated to remove moisture, and measured in a separate chamber
- Application Suitability: Ideal for harsh industrial conditions such as downstream of wet scrubbers, desulfurization plants, and waste incinerators with high moisture and low exhaust temperatures
- High Accuracy & Automation: Automatic zero and reference checks; automatic contamination measurements and correction of values
- Durability: Stable laser light source with long lifetime; robust construction with IP55/IP65 protection for probe and control units
- Ease of Use: Commissioning, adjustment, and maintenance without a PC via local control panel and LCD display
- Performance: Calibrated to measure dust concentrations in mg/m³; suitable for variable gas velocity conditions
- Measuring Principle: Extraction, dilution, heating, and forward scattering of laser light.
- Measuring Range: Typically 0–15 mg/m³, extendable up to 100 mg/m³.
- Sample Gas Conditions:
- High moisture up to 30 g/m³ H₂O (aerosol)
- Temperature up to 280°C
- Pressure –30 to +2 hPa
- Applications: Wet scrubbers, waste incinerators, power plants.
- Components: Probe (IP65, Stainless Steel/Hastelloy), Blower Unit, Supply/Control Unit (SU).
- Outputs:
- 4× 4–20 mA (galvanically isolated)
- Digital contacts
- Optional digital inputs
- Power Supply: 230/400 V, 50 Hz (other options available).
- Weight: Approx. 40 kg (probe unit).
- Compliance: Suitable for combustion/incineration plants; meets EC directives, VDI 2066, EN 14181, etc.



