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Continuous Emissions Monitoring System

CEMS
The new standard in CEMS design and performance with an innovative, turn-key, and automated system.

Accurate monitoring of ethylene oxide emissions from multiple stacks and process ducts. An integrated Data Acquisition System (DAS) ensures seamless collection, recording, and reporting of emissions concentration data, flow rates, system performance, and calibrations. Fully compliant with current and upcoming ethylene oxide monitoring regulations, including OTM-47, PS-19, and other standards, delivering reliable performance to meet and exceed all regulatory requirements.

Cavity Ring-Down Spectroscopy (CRDS)
  • 0.25 parts-per-billion (ppb) detection limit
  • Span up to 1000 parts-per-million (ppm)
  • Specific to ethylene oxide
Data Acquisition System (DAS)
  • Interface, acquire, store, and report emissions data
  • Automated calibrations and cylinder gas audits
  • Local HMI, remote access, and data backup
Mass Emission Rate Monitoring
  • Velocity, temperature, and absolute pressure measurement
  • Dynamic pressure probe with integrated PT100 sensor
  • Automated calibration and blowback system
Robust Sample Handling
  • No complex thermal oxidation or pre-conditioning required
  • Heated and filtered probe with isolation and blowback
  • Multiplexer and heated lines available at custom lengths