Shuai YUAN, Guangzhen WANG, Dehui FU, Ke CHEN, Ran AN, Bo ZHANG, Min GUO, Guangyin ZHANG. Cross Interference Characteristics of Photoacoustic Spectroscopy Multi-gas Analyzer[J]. Acta Photonica Sinica, 2021, 50(4): 198
- Acta Photonica Sinica
- Vol. 50, Issue 4, 198 (2021)
Fig. 1. Schematic diagram of the photoacoustic spectroscopy based multi-gas analyzer
Fig. 2. Picture of the photoacoustic spectroscopy based multi-gas analyzer
Fig. 3. Absorption coefficients of the multi-component gases
Fig. 4. Test system of the photoacoustic spectroscopy based multi-gas analyzer
Fig. 5. Interference of C2H2 on other gases
Fig. 6. The interference of C2H2 on CH4
Fig. 7. Interference of CH4 on C2H2
Fig. 8. Interference level of high concentration CO2
Fig. 9. The relationship between photoacoustic signal value of water vapor and concentration and the interference of water vapor to the gas to be measured.
|
Table 1. Selection of the center wavelength and bandwidth of the filter
|
Table 2. The relationship between relative humidity and temperature of saturated salt solution
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20