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Low Temperature Liquid Helium Level Indicator

 

作者: K. F. Canter,   L. O. Roellig,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1966）
卷期: Volume 37, issue 9  

页码: 1165-1167

 

ISSN:0034-6748

 

年代: 1966

 

DOI:10.1063/1.1720448

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A low temperature liquid helium level indicator which is capable of detecting the liquid helium level in an opaque Dewar in the temperature range of below 1°K to above 4.2°K is described. A high current electronic switch has been designed so that only one calibration of the instrument is necessary for the entire temperature range.

 

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