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D-R 300 Scattered Light Monitor
Brand: DuragThe D-R 300 operates according to the scattered light method.
The modulated light from a halogen lamp illuminates the dust particles in the exhaust duct.
The scattered light reflected from these particles is measured and assessed.
Features- In-situ measurement directly in the flue gas flow
- Automatic system tests and correction of measured values
- Self-calibration in 4-h cycle
- Optics and electronics in a hermetically sealed unit - no smoke gas can enter device
- Maintenance-friendly, thanks to optimal purge air conduction in front of the heated optical end plates
- Direct access to all parameters via the operator display.
Specifications
Brand
Accuracy
- Detection Limit: < 1 % Measuring Range
Ambient Temperature Range
- -20° to 50° C (-4° to 122° F)
Applications
- Fine Dust Measurements in Processes
- Furnaces Designed for Light Fuel Oil
Approvals & Certifications
- MCERTS
Approvals & Certifications
- CE
- TÜV Test Report 936 / 800002
Diameter
- Duct: 11.8 to 157.5” (300 to 4,000 mm)
Environmental Protection
- IP55
- IP65
Flow Rate
- Purge Air Quantity: Approximately 80 m³/hour
Output
- 2 x 0-20 mA / 500 ohms
- 2 x 4-20 mA / 500 ohms
Power Supply
- 115/230 Vac, 50/60 Hz, 50 VA
Pressure Range
- Flue Gas - psi: -0.72 to 0.29 (kPa: -5 to 2, bar: -0.05 to 0.02)
Process Temperature
- 0° to 500° C (32° to 932° F)
- Flue Gas: 0° to 320° C (32° to 608° F)
Relay Output
- Permissible Load: 0.5 A at 48 V