DynamicOpacity™ Dust Monitor


Stand alone Cross Stack optical dust monitor suitable for measuring emissions after electrostatic precipitators and stacks without filtration systems

  • Used for emissions measurement (mg/m³) after electrostatic precipitators and baghouses or Process control applications
  • Advanced sensor design includes automatic drift (zero and span) checks
  • Simple installation and maintenance
  • Resistant to contamination. Will work with optics 90% obscured
  • External display and keyboard for easy set up
  • Blowers not required can be purged with instrument air
  • Simple installation, set-up and maintenance
  • Resistant to contamination, operational with optics 90% contaminated
  • Lower levels of maintenance than traditional Opacity systems
  • Can be purged with instrument air providing lower cost of ownership; blowers available if preferred
  • mg/m³ output, once calibrated.
  • Stacks after Electrostatic precipitators, bag filters, cartridge filters, cyclones, or no filter
  • Non-condensing / dry flue gases
  • Variable flue gas velocities, including low velocity flue gase
    Typical applications:

  • Incineration
  • Metals e.g. Steel/Aluminium
  • Minerals e.g. Cement
  • Power e.g. Boilers/Biomass
Technical Specifications
Measured parameters Dust
Technology DynamicOpacityTM
Measurement/Monitoring capability 0-1000 mg/m³*
Stack/Duct diameter suitability up to 8m
Flue gas temperature up to 400°C
Baghouse YES
Cartridge Filter /
Ceramic Filter /
Coalescent Filter /
Cyclone YES
Electrostatic Precipitator (ESP) YES
Wet Electrostatic Precipitator (WESP) /
Wet Scrubber /
Sensor variants Stainless Steel
QA checks N/A
*Application dependant
Technical data
Monitoring capability 0-1000 mg/m3
Stack Temperature Ranges 0-250°C standard up to 400°C option
Outputs RS232, RS485 (Modbus), 2 x Relay Alarms, 1 x 4/20mA

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