Particulate CEM for wet gas streams


US EPA PS11 capable ProScatter particulate CEM for the extractive sampling and measurement of particulate in saturated wet gas streams

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  • Continuous Particulate Monitoring for saturated wet stack applications typically found after wet FGDs or filtration systems that produce a wet/condensing flue gas (wet ESPs/scrubbers)
  • US EPA PS11 capable as a PM–CPMS or PM–CEMS
  • Extractive sampling system configurable for fixed velocity or isokinetic variable flow rate sampling
  • Heated sample lines to maintain sample temperature and prevent the formation of condensation
  • Forward Scatter measurement technique with automatic zero and span (upscale) checks that fully challenge the system to satisfy daily drift check requirements
  • Easy to use intuitive multi-lingual text driven menu and display for improved user interface complete with on-board data logging for increased level of security of data
  • Small sample chamber and use of advanced polymers – prevents particulate adhesion, condensation and crystal formation. Reduced maintenance for the end user

Stacks with saturated wet flue gas, typically after wet flue gas desulphurisation plant, wet collectors, etc

Typical Applications:

  • Power Generation Plant eg Coal/Biomass
  • Incineration
  • Metals eg Steel/Aluminium
  • Minerals eg Cement/Gypsum
  • Chemicals eg Detergent / Carbon Black
  • Fertiliser
  • Pulp and Paper


Technical Specifications
Measured parameters Dust
Technology Extractive ProScatter Forward Scatter
Measurement/Monitoring capability 0-500 mg/m³*
Stack/Duct diameter suitability up to 15m
Flue gas temperature up to 200°C
Baghouse /
Cartridge Filter /
Ceramic Filter /
Coalescent Filter /
Cyclone /
Electrostatic Precipitator (ESP) /
Wet Electrostatic Precipitator (WESP) YES
Wet Scrubber YES
Sensor variants PVDF corrosion resistant
Stainless Steel
QA checks YES
*Application dependant
Technical data
Measurement capability 0 – 500 mg/m3 (for higher concentrations, please consult ENVEA)
Detection Limit < 0.1 mg/m3
Probe Variants Probe lengths 600mm,
1200mm (other lengths available on
request)PVDV (standard) corrosion resistant Stainless Steel: non-corrosive stacks Hastelloy corrosion resistant
Stack Temperature Ranges up to 200°C
Functionality and QA Checks Automatic self-checks (zero and span)

QA data logging

Data Output RS485 (Modbus) RS232 (Modbus) Ethernet
  • US EPA PS-11 compliant

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