ElectroDynamic® Approved Particulate CEM

PCME QAL 991

QAL1 approved particulate CEM providing high quality emission measurement for low dust concentrations from dry industrial processes including Baghouses and Cartridge Filters

The PCME QAL 991 is an approved Particulate CEM (Continuous Emission Monitor) designed to meet and exceed CEN standard EN 14181 / EN 13284-2. Particularly suited to monitoring emissions from industrial processes regulated under the European Waste Incineration Directive (WID) and Large Combustion Power Plant Directive (LCPD), the PCME QAL 991 is also proven in other industrial processes controlled with high efficiency bag filtration. The instrument holds QAL1 approval specified in EN 15267-3, under both MCERTS and TUV.

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  • Robust design unaffected by product build-up on the sensor rod
  • No additional services such as air purge required, providing lower cost of ownership
  • Simple maintenance no requirement for specialist service personnel
  • Complies with standards EN 13284-2, EN 14181 and EN 15267-3 and applications with Emission Limit Values (ELVs) of 7.5 mg/m³ (Incineration) and 15 mg/m³ (co-incineration)
  • Automatic recording of drift checks (zero and span) to satisfy QAL3 requirements
  • Networking up to 16 sensor channels via Modbus and providing multiple inputs for external devices such as temperature, pressure and 02 normalisation
  • Stacks after bag filters, cartridge filters, cyclones, electrostatic precipitators, no filtration
  • Variable velocities within range 5 – 25 m/s (typical bag filter velocity ranges)
  • Non-condensing / dry flue gases
    • Typical Applications:
  • Incineration
  • Metals (eg Steel/Aluminium)
  • Minerals (eg Cement/Gypsum)
  • Chemicals (eg Detergent/Carbon Black)
  • Power Generation Plant (eg Coal/Biomass)
Technical Specifications
Measured parameters Dust
Technology ElectroDynamic® Advanced Probe Electrification
Measurement/Monitoring capability 0-100 mg/m³*
Stack/Duct diameter suitability up to 8m
Flue gas temperature up to 500°C
Baghouse YES
Cartridge Filter YES
Ceramic Filter /
Coalescent Filter YES
Cyclone YES
Electrostatic Precipitator (ESP) /
Wet Electrostatic Precipitator (WESP) /
Wet Scrubber /
Sensor variants Stainless Steel
Passive/Active
QA checks YES
*Application dependant
Technical data
Measurement capability 0 – 100 mg/m3
Sensor Variants 316 Stainless Steel / Passive/Active (option)
Stack Temperature Ranges 0 -500°C
Functionality and QA Checks Automatic / Zero and span / Short circuit check
Advanced signal processing diagnostics
Audit Unit (option) for linearity tests
Data Output RS485 (Modbus) output to Controller
Air Purge option
Enclosure Protection Rating IP66
  • MCERTs and TÜV (UBA) certified to EN15267-3
  • QAL1 as defined by EN14181
  • QAL3 compliance to EN14181
  • EX Zone 2,
  • US EPA MACT Compliant BLD

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