UV/IR Doas Based Cross Stack In Situ Emission Monitoring System [System 400(Opsis)]

UV/IR Doas Based Cross StackĀ Opsis 400
Opsis 400 is a cost-effective UV spectrometer with NON sampling cross stack Insitu Technology for all process & Stack Emission Monitoring System.


  • Approved by USEPA, MCERT, TUV, & 19 other agencies across world.
  • Approved in the world for every once calibrtaion from TUV Germany.
  • Supplied over 150 industries in India.
  • Cost-effective monitoring
  • High performance monitoring of a range of gases compound
  • Multiple stack with single analyser option.
  • Easily Calibrated.
  • Operates with a minimum of maintenance.
  • Cross-Stack measurements.
  • Remote control capabilities.
  • No sample system required.
  • Low maintenace cost.
  • High sensitivity & high accuracy.
  • Also available zirconia O2 analyser.
  • Mercury monitoring also possible.

Measuring Parameters:

  • NO2, NO, (NOx), Cl2, H2S, SO2, CO, CO2, THC, H2O, Hcl, Hf, NH3, Hg, CH4, and many more.