Journal of Atmospheric and Environmental Optics, Volume. 18, Issue 1, 73(2023)
Design and test of temperature control system for automatic sun photometer
Figures & Tables(8)
Fig. 1. Overall composition chart (a) and physical view (b) of sun photometer
Fig. 2. The temperature coefficient of the detectors (from Hamamatsu product manual)
Fig. 6. Comparison between sun photometer and CE318 before and after correction at different operating temperatures. (a) Comparison of AOD results in the range of 1～23 ℃; (b) comparison of AOD results in the range of of 25～40 ℃
Fig. 7. Temperature change in July and December. (a) Environmental temperature and controlling temperature in June; (b) deviation of controlling temperature in June; (c) environmental temperature and controlling temperature in December; (d) deviation of controlling temperature in December
Table 1. Main parameters of sun photometer
View tableView in ArticleTable 1. Main parameters of sun photometer
Parameter Indexes Band/nm 2 nm@340 nm; 4 nm@380 nm; 10 nm@440、500、675、870、937、1020 nm;
25 nm@1640 nm (Optional)
Field angle/(°) ≤ 1.3 Tracking accuracy/(°)
Temperature control/℃
Environmental parameters
Measurement
Application
0.1
25 ± 0.2
Temperature, humidity, pressure
Direct-sun and sky radiance
Ozone, water vapor, aerosol
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Dong HUANG, Xin LI, Yanna ZHANG, Yunxiang ZHANG. Design and test of temperature control system for automatic sun photometer[J]. Journal of Atmospheric and Environmental Optics, 2023, 18(1): 73
Paper Information
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Received: Dec. 21, 2020
Accepted: --
Published Online: Apr. 17, 2023
The Author Email: Xin LI (xli@aiofm.ac.cn)
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