The GCEM40E hot extractive multi-channel gas analyser is CODEL's industry-proven continuous emissions monitor for difficult applications. Designed exclusively for use on a wide range of applications where the flue gas temperature is abnormally high, low or saturated.

Three decades of development, knowledge and practical experience have been utilised to produce this advanced technology gas analyser which gives complete flexibility of use on process or emissions applications whilst delivering superb accuracy and repeatability at a competitive price.

Key Features

  • Single or Multi-species infrared absorption analyser
  • Hot Extractive System
  • CO, NO, NO2, NOx, SO2, CH4, HCl, CO2 and H2O
  • Gas temperature and pressure sensors
  • Analogue & serial digital output
SpecificationImagesDocumentationProduct Enquiry



Gas Species Options Maximum 7 gases from: CO | NO | NO2 |NOx | N2O | SO2 | HCl | CH4 and CO2. Gas temperature pressure and H2O for data normalisation are standard.
Measuring units ppm | mg/Nm³ | mg/m³ | %
Response Time Less than 200 Seconds (T90)- MCERTS Specification
Ambient Temperature -20°C to +50°C
Power supply 48V DC from CEMS Control Panel
Construction Corrosion resistant epoxy coated aluminium housing sealed to IP66
Analogue outputs 4-20mA current outputs for each gas channel supplied isolated. 500O load max  fully configurable from software.
Logic Outputs up to 8 x volt-free SPCO contacts  50V 1A max. Configurable as alarm contacts | 1 x volt-free SPCO contact 50V 1A max for data valid signal
Serial Data RS232
Lang Filetype Document Size
English GCEM 40 Series Extractive Datasheet 400kb

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