The measuring cell adopts the multi-pass optical path technology, featuring low detection limit, high measurement accuracy and fast response. This analyzer can simultaneously measure multiple gas components online, including SO₂, NO, NO₂, O₂ (electrochemical method), H₂S, Cl₂, NH₃ and CH₂O.
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EM-5
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YUAN ZHENG
EM-5C gas analyzer (UV-DOAS) is applied for online gas analysis of industry stack emissions. It is combined with UV Differential Optical Absorption Spectroscopy (UV-DOAS) technology.
The measuring cell adopts the multi-pass optical path technology, featuring low detection limit, high measurement accuracy and fast response. This analyzer can simultaneously measure multiple gas components online, including SO₂, NO, NO₂, O₂ (electrochemical method), H₂S, Cl₂, NH₃ and CH₂O.
Features
Adopt Ultraviolet Differential Optical Absorption Spectroscopy (UV-DOAS)
Long optical path measuring chamber (Max. 15m optical path), high sensitivity.
The measuring chamber adopts multiple reflection technology, detection limit as low as 0.1 ppm;
The pulsed xenon light source has more than 10 years service life.
The NO and NO2 can be measured simultaneously, without the converter;
The analysis module has no optical moving parts and is not affected by vibration;
Constant temperature and heating companion, avoid the influence of temperature;
Not affected by background components such as H2O, CH4, CO, NH3, dust, etc
No cross interference between measured gases;
Customizable to meet the OEM and ODM needs for customer.
Application
Typical application of industry process
Continuous flue gas emission monitoring for power plants (analyze SO2, NOx, and O2);
DeSOx process monitoring (analyze SO2 and O2)
DeNOx process monitoring (analyze NOx, and O2)
Continuous flue gas emission monitoring of waste incineration (analyze SO2, NOx, and O2)
Trace Cl2 analysis in PVC process and titanium dioxide production process in chlor-alkali plants (analyze Cl2)
