Model GCEM4100 - Multi Channel Extractive Flue Gas Analyser

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Model GCEM4100 - Multi Channel Extractive Flue Gas Analyser

The GCEM4100 is a hot extractive analyser for difficult flue gas monitoring applications. It uses infrared absorption spectroscopy to measure up to seven pollutant species in a single self-contained unit. Many conventional extractive systems require the sampled gas to be cleaned and dried to a very high standard prior to analysis, invariably resulting in high maintenance costs. Such elaborate pre-conditioning is not required by the GCEM4100. Process gases are continuously drawn through a fine filtered probe installed in the flue gas and transported to the measurement chamber via a heated sample line - without further conditioning. Designed for use on gas turbines, the analyser is MCERTS certified and satisfies QAL1 of the EU Standard EN14181 for LCPD emission limit values above 40ppm.


  • Up to seven gas species
  • Analogue and serial digital output
  • CO, CO2, NO, NO2, SO2, HCL, CH4 & H2O
  • Automatic calibration verification facility
  • ppm, mg/m3 (measured) and mg/Nm3 (normalised)
  • Over five years data logging via PC software package
  • Real-time normalisation for STP and H2O
  • Full zero and span verification using audit gases
  • Full range of outputs and alarms
  • MCERTS certified instrument
Codel International Ltd
Codel International Ltd
Station Building, Station Road
Bakewell , Derbyshire; DE45 1GE


Stack emissions monitoring

Monitoring stack emissions is a fundamental requirement for most industrial processes. Our gas analysers, dust monitors and flow monitors are designed for a wide range of applications and can operate as a fully integrated system or as stand alone instruments.


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