电阻箱一种箱式电阻器。由若干个不同阻值的定值电阻,按一定的方式连接而成。电阻箱中的定值电阻一般用康铜和锰铜丝绕制,使电阻值基本不随温度变化。实验室用的电阻箱有插头式和开关式(又叫筒式)两种。
型号为ZX21型六旋钮电阻箱(resistance box)在实验中常用来改变电路中的电阻、电流和电压,其最大电阻可达.9W,由“0”与“.9”两接线柱引出。
基于1342个网页-相关网页
... electric resistance 电阻 electric resistance box 电阻箱 electric resistance butt welding 电阻对焊,碰焊机焊接 ...
基于38个网页-相关网页
十进电阻箱 [电] decade resistance box ; decade box
交流电阻箱 c .balance indicator ; alternating current resistance box ; c. resistance box ; c. bridge
插头式电阻箱 [电] resistance box with plug
电阻箱残余电阻 [电] residual resistance of resistance box
换值电阻箱 resistance substitution box
十进位电阻箱 decade type resistance box ; decade resistance box
电阻箱残余电感 [电] residual inductance of resistance box
直流电阻箱 Direct current resistance box ; d.c.resistance box
精密柜结构,实现轻,高电阻箱。
Precision cabinet construction to achieve light and high resistance cabinets.
这种电阻箱具有使用方便、寿命较长的优点。
The utility model has the advantages of convenient use and long service life.
电阻箱的工作频率等于或低于测试频率上限时的最大允许误差。
The Maximum permissible error when the working frequency of Resistor is equal to or lower than the measurement frequency.
应用推荐