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发明名称
十进精密电容损耗箱
摘要
本实用新型属于电容损耗检测仪器。原有的电容损耗箱只采用标准电容(箱)和标准电阻串联等效线路组成。引线长,引线位置不固定,操作不方便,测量结果误差较大。本实用新型采用串联三组精密交流电阻、每组由十只精密交流电阻串联,使用换挡开关换挡,使得能进行十进读数。再引进补偿电容C<SUB>1</SUB>、C<SUB>2</SUB>和补偿电阻R,C<SUB>1</SUB>、C<SUB>2</SUB>、R呈Y连接,可使残值D。达到5×10<SUP>-5</SUP>以下,从而使操作简便,结果准确。
申请公布号
CN2039854U
申请公布日期
1989.06.21
申请号
CN88217512.2
申请日期
1988.09.19
申请人
无锡电容器厂
发明人
赵汉立;吕志荣
分类号
G01R27/26
主分类号
G01R27/26
代理机构
代理人
主权项
1、一种由两个检测接线柱、标准电容器(箱)和标准电阻串联等效线路组成的电容损耗箱,本实用新型的特征是标准电阻采用串联三组精密交流电阻,每组有十只同阻值的精密交流电阻串联,各组电阻阻值以十进制递增,用三只低接触电阻换档开关来对这三组精密交流电阻进行换档;在两个检测接线柱之间接上补偿用电容器C1、C2和补偿用可变电阻R,C1、C2、R呈Y连接,R的另一端接在接地接线柱。
地址
江苏省无锡市广瑞路13号
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