液位传感器

当液位上涨时，浮球也相应上涨，同理当液面下降时也相应下降，当上涨或下降到设定的位置时，球内有磁铁。当磁铁受浮力靠近内部开关的时候，开关内的触头就接通或者断开。开关的原理是同磁极相排斥，异磁极相吸。液位开关内的开关控制相应的操作机构，就构成了完整的一套电路。

ALEPH

艾礼富

Very High CMR, Wide VCC Logic Gate Optocouplers

文件：260 Kbytes 页数：16 Pages

HP

安捷伦

Low Input Current Logic Gate Optocouplers

Description The HCPL-22XX, HCPL-02XX, and HCNW22XX are optically coupled logic gates. The HCPL-22XX, and HCPL-02XX contain a GaAsP LED while the HCNW22XX contains an AlGaAs LED. The detectors have totempole output stages and optical receiver input stages with built-in Schmitt triggers to provid

文件：204 Kbytes 页数：11 Pages

HP

安捷伦

Very High CMR, Wide VCC Logic Gate Optocouplers

The HCPL-22XX, HCPL-02XX, and HCNW22XX are optically-coupled logic gates. The HCPL-22XX, and HCPL-02XX contain a GaAsP LED while the HCNW22XX contains an AlGaAs LED. The detectors have totem pole output stages and optical receiver input stages with built-in Schmitt triggers to provide logic-compat

文件：389.66 Kbytes 页数：18 Pages

AVAGO

安华高