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| Discussion on laboratory calibration methods of automatic soil moisture sensor |
| Han Yuting, Diwu Pengpeng, Lei Xiaomei |
| Gansu Meteorological Information and Technical Equipment Support Center,Lanzhou 730020 |
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Abstract Based on JJF 1071-2010 The Rules for Drafting National Calibration Specification,this paper studies the laboratory calibration methods of automatic soil moisture sensor.And the performance requirements of the standard device,the technical requirements of automatic soil moisture sensor and the recalibration interval are fully explained by the statistical analysis of 528 sensors,which can provide an important scientific basis for the drafting of calibration specifications.
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Received: 03 December 2019
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2021, Vol. 38 
