DOZ-1型电阻冻土自动观测仪设计与试验

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Abstract Different resistances are produced by the ice and water in the soil in the thermophysical process of soil freeze-thaw as the temperature changes and there is a significant difference in value.Based on such characteristic,the resistance frozen soil sensor is designed and the DOZ-1 resistance frozen soil automatic observation equipment is developed by induction component,signal acquisition,signal conversion processing and terminal.Through the comparison and analysis with the observation data of TB1 artificial frozen soil device,the results meet the technical requirements of automatic measurement of frozen soil.The instrument can be used in frozen soil automatic observation station instead of manual observation.

Key words： resistance frozen soil automatic observer design test

Received: 09 January 2021

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	Articles by authors
	Miao Chuanhai
	Sha Li
	Guo Zongkai
	Sun Yuzhen
	Zheng Shi
	Ren Defa

Cite this article:

Miao Chuanhai,Sha Li,Guo Zongkai等. Design and test of DOZ-1 resistance frozen soil automatic observer[J]. Meteorological Hydrological and Marine Instrument, 2021, 38(3): 90-92.

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http://www.qxswhy.com/EN/ OR http://www.qxswhy.com/EN/Y2021/V38/I3/90

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