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| Comparison study on calibration devices of rainfall sensor |
| Wang Maocui, Wang Min, Wei Genbao, Ge Xueping |
| Anhui Atmospheric Observation and Technical Support Center,Hefei 230031 |
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Abstract This paper analyzes the system structures,working principles and technical characteristics of rainfall sensor calibration devices in detail.The comparing experiments have done with these four kinds of rainfall calibration apparatus.The results show that the verification conclusions of the four rainfall calibration devices agree with each other on verifying of one rainfall sensor.However,there is a certain deviation among the results and the maximum deviation is 0.2mm.Finally,it analyzes the causes of deviations in the measurement results of the four rainfall calibration devices.
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Received: 18 September 2018
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2019, Vol. 36 
