Continuous Emissions Analyser Servomex 4900

The 4900 is specifically designed for the Continuous Emissions Monitoring, where legislation requires the measurement of several gas components in flue gas.

Continuous Emissions Analyser Servomex 4900


  • Low cost of ownership
  • Multiple gas capability for pollutants, greenhouse gases and reference O2 (O2, CO, CO2, NO, SO2, CH4, N2O)
  • Low maintenance
  • Easy integration with other systems
  • MCERTS / TÜV approved measurements
  • Multiple gas measurements
  • Minimum cabinet space
  • Analogue and serial outputs
  • External analogue inputs
  • Automatic calibration
  • Storage of fault and calibration data

Technology Used

  • Oxygen – Servomex’ unique paramagnetic cell, which offers a fast, linear, accurate, highly stable and selective response in a non-depleting rugged package.
  • Carbon monoxide, nitrous oxide, nitric oxide, sulphur dioxide, methane – Single beam gas filter correlation photometric technology, which gives a highly stable, sensitive and selective measurement.
  • Carbon monoxide, carbon dioxide at percent levels – Single beam single wavelength photometric technology, which gives a stable, selective and cost effective measurement.

Typical Applications

  • Utility Boilers
  • Waste Incinerators
  • Clinical waste incinerators
  • Chemical incinerators
  • Crematoria
  • Mobile labs
  • Research into greenhouse gases