DURAG D-R 290 M ART 1107235 Measuring head for D-R290 dust measuring system

  • Power plants
  • Cement plants
  • Waste incinerators
  • Metallurgy and steel industry
  • Biomass combustion plants
  • Emission monitoring systems
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    The DURAG D-R 290 M ART 1107235 is a measuring head for the D-R 290 dust and opacity monitoring system. This system is designed for continuous, contactless measurement of medium to high dust concentrations in dry flue and process gases. The measuring head operates on the optical transmission principle and features automatic zero and reference checks as well as contamination compensation.
  • Measuring principle: Double-pass optical transmission (auto-collimation)
  • Measuring ranges:
    • Opacity: 0 … 20% (min), 0 … 100% (max)
    • Dust concentration: 0 … 80 mg/m³ (min), 0 … 4,000 mg/m³ (max)
  • Operating temperature: -40°C to +60°C
  • Protection class: IP66
  • Analog output: 1x 4 … 20 mA
  • Digital outputs: 2x NC/NO, 60 VDC, 0.5 A
  • Communication: RS485 Modbus RTU, USB
  • Automatic functions:
    • Zero and reference point check
    • Contamination measurement and compensation
  • Installation: Flange mounting, measuring path 1–8 m
  • Accessories: Purge air unit (D-BL), D-ISC 100 operating unit