EmailEM-5 Flue Gas Analyzer (hot-wet) is a gas analysis product of multi-return optical path on basis of years of accumulated ultraviolet absorption spectroscopy. Based on Ultraviolet Differential Optical Absorption Spectroscopy (UV-DOAS) and Stoichiometric Algorithm (PLS), the analyzer can measure SO2, NO, NO2, O2, NH3, CO, CO2, Cl2, O3, H2S,HCl, CH3I, CH2O, etc. In addition, our analyzer can configure with self-developed built-in infrared module to measure CO according to customer requirement, which has higher accuracy and reliability, faster response compared to electrochemistry method solves problem of short service life.
High-temperature tracing without cold ends effectively prevents measurement values from being underestimated due to the dissolution of SO2 and NO2 by condensation water.
Using UV differential absorption spectroscopy technology and a long optical path gas cell, the detection limit is as low as 0.1 μmol/mol with high sensitivity.
NO and NO2 can be directly measured simultaneously without a converter.
Not affected by background components such as H2O, CH4 , CO, NH3 , and dust.
Measurement results are not affected by temperature or vibration, ensuring high stability.
The pulse xenon lamp has a long service life.
The analysis module has no optical moving parts, making it unaffected by vibration.
The gas cell is robust and has low maintenance costs.
-Continuous Emission Monitoring System (CEMS) for power plant flue gas emissions (analyzing SO2, NO, NO2, O2)
-Desulfurization process monitoring (analyzing SO2, O2)
-Denitrification process monitoring (analyzing NO, NO2, NH3, O2)
-Continuous monitoring of flue gas emissions from waste incineration (analyzing SO2, NO, NO2, O2)
-Minor Cl2 analysis in the PVC process and titanium dioxide production process of chlor-alkali plants (analyzing Cl2)
-Gas analysis for sulfur recovery processes (analyzing SO2, H2S)
-Gas analysis for natural gas purification processes (analyzing minor H2S)
| Principle | SO2 , NO, NO2 : UV-DOAS; O2 : Zirconia |
| Components & ranges | SO2 , NO, NO2 : 0~100mg/m3 (customizable range / dual range); O2 : 0~25% |
| Repeatability | ≤2% |
| Stability | ≤5% |
| Zero drift | Within ±2.5%F.S./7d |
| Span drift | Within ±2.5%F.S./7d |
| Response time (T90) | ≤50s |
| Analog signal | DC 4-20mA, 4 outputs, 3 inputs, configurable |
| Digital signal | 13 outputs, 6 inputs, configurable |
| Comm | RS-232/RS-485 |
| Sample flow rate | 2L/min |
| Ambient temp | (0~40)℃ |
| Ambient humidity | ≤85%RH, non-condensing |
| Power supply | AC (220±22)V, (50±1)Hz |
| Power consumption | About 120W |
| Dimensions & weight | 82.6mm*358.2*132mm(W*D*H), about 25kg |
