MEASUREMENT OF OXYGEN MICROCATHODE CURRENTS BY MEANS OF A FIELD-EFFECT TRANSISTOR OPERATIONAL AMPLIFIER SYSTEM WITH DIGITAL DISPLAY

被引:30
作者
HAHN, CEW
机构
来源
JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS | 1969年 / 2卷 / 01期
关键词
D O I
10.1088/0022-3735/2/1/311
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
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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页码:48 / &
相关论文
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