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.

引用

页码：48 / &

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