Continuous Emission Monitoring Systems (CEMS)


Continuous Emission Monitoring Systems (CEMS)

Most effective and advanced technique for Stack/Duct/Chimney/Baghouse Emission monitoring:
Stack Monitoring for Suspended Particulate Matter (S.P.M) is greatly simplified and improved by the use of "Continuous Emission Monitoring Systems (CEMS)/Stack Monitors". The Sensor of the CEMS/Stack Monitor is mounted on the stack/duct and the existing S.P.M. level is determined using Thimble/Iso-Kinetic Process. The CEMS/Stack Monitor is then calibrated to continuously display the S.P.M. or Emission level in terms of mg/nm3 in an on-line manner. A 4 to 20 mA DC Analog Output is also provided for recording or control purposes & integration with the Central Control Room. Our CEMS/Stack Monitors are indigenously manufactured and based on the internationally accepted & widely approved "TRIBOFLOW" principle. This principle is accepted by all International Environment Agencies like US, Europe etc. These instruments give a CONTINUOUS digital display in mg/nm3 of the emissions/suspended particulate matter in the stacks/ducts/chimneys which are being monitored. The instrument readings will closely match those obtained by the conventional iso-kinetic/thimble process measurement.

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Standard Features:


  • Accurate and Reliable Readings, directly in mg/nm3.
  • Facility to display instantaneous emissions as well as average emissions.
  • Time period for averaging emissions is user determined.
  • 4-20mA Output available for interface with Central Control Room Systems for Charting/ Tabulating/Recording etc.
  • User Determined Alarm Set Points to indicate high emissions.
  • Minimal Maintenance Required.
  • No Moving Parts or Consumables.
  • Frequent calibration/setting/alignment is not required.
  • Easy to use and operate.
  • Sophisticated since it is micro-processor based.
  • Not affected by Moisture.
  • Low Cost and High Quality.
  • Only principle which uses Direct Measurement of emission flow.
  • Minimum Detection Limit is 0.1 mg/nm3 with no upper limit
  • Detection of all particles of size larger than 0.1 micron.
  • Long Life of Instrument.