{"title":"The measurement of oxygen microcathode currents by means of a field-effect transistor operational amplifier system with digital display.","authors":"C E Hahn","doi":"10.1088/0022-3735/2/1/311","DOIUrl":null,"url":null,"abstract":"An inexpensive method of measuring the current in an oxygen polarographic cathode electrode is described. The method entails the use of a field-effect transistor operational voltage amplifier connected as a transresistance converter, the output of which is read directly by a digital voltmeter.","PeriodicalId":16983,"journal":{"name":"Journal of Scientific Instruments","volume":"2 1","pages":"48-50"},"PeriodicalIF":0.0000,"publicationDate":"1969-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1088/0022-3735/2/1/311","citationCount":"15","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Scientific Instruments","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/0022-3735/2/1/311","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 15
Abstract
An inexpensive method of measuring the current in an oxygen polarographic cathode electrode is described. The method entails the use of a field-effect transistor operational voltage amplifier connected as a transresistance converter, the output of which is read directly by a digital voltmeter.
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