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| Difference analysis of temperature multi-sensor observation data |
| Yao Luntao1, Shi Hairui2, Gao Shanshan1, Chen Dongdong3, Feng Zhiqiang2, Jiang Tao1, Jia Yichao2 |
1. Hebei Meteorological Technical Equipment Center,Shijiazhuang 050000;
2. Xingtai Meteorological Bureau,Xingtai 054000;
3. Meteorological Observation Centre of CMA,Beijing 10081 |
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Abstract By simulating the conditions of the observation field and using the metrological verification equipment to carry out the observation test,a statistical analysis of the difference in the temperature observation data of different installation methods was conducted.The results show that the protective sleeve on the temperature and humidity bracket will cause the sensor measurement value to lag behind the ambient temperature change.When the exposed length of the temperature sensor in the observation field environment is less than 4 cm,the temperature data is lower than the environmental temperature when the temperature rises.When the temperature drops,the temperature data is higher than the environmental temperature.It is recommended to standardize the sensor installation,and the length of the temperature sensor probe should be at least 4 cm longer than that of the protective sleeve.
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Received: 10 January 2023
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2024, Vol. 41 
