特殊的應(yīng)用要求特別的解決方案。所以除了標(biāo)準(zhǔn)的光電傳感器及光纖傳感器外，易福門(mén)電子還為特殊的應(yīng)用提供精心設(shè)計(jì)的特殊傳感器。

IFM用于對(duì)比識(shí)別的傳感器  對(duì)比傳感器檢測(cè)標(biāo)記，標(biāo)記與背景底色的區(qū)別在于顏色對(duì)比。對(duì)于安全運(yùn)行起決定性因素的是標(biāo)記與背景底色之間的對(duì)比差別以及傳感器與顏色標(biāo)記之間的相同距離。背景的材質(zhì)不起作用。

IFM 用于識(shí)別玻璃和薄膜的傳感器  用于識(shí)別玻璃和薄膜的鏡面反射傳感器的發(fā)射裝置和接收裝置處于同一個(gè)外殼中。發(fā)射裝置發(fā)射出光線，該光線被一個(gè)三棱鏡反射到接收裝置。與標(biāo)準(zhǔn)的鏡面反射傳感器不同的是這種鏡面反射傳感器沒(méi)有開(kāi)關(guān)誤差范圍。所以，即使當(dāng)阻尼很小時(shí)，它也可以通過(guò)透明的材料進(jìn)行開(kāi)關(guān)轉(zhuǎn)換。

IFM用于距離檢測(cè)的傳感器該傳感器是根據(jù)計(jì)算光發(fā)出和回彈的時(shí)間來(lái)測(cè)量距離。傳感器發(fā)出光線，發(fā)射的光線被一個(gè)物體反射。光線從傳感器達(dá)到物體，并且從物體反射到傳感器所需的時(shí)間可以被測(cè)量。因?yàn)楣馑偈呛愣ǖ模跃嚯x可以通過(guò)經(jīng)過(guò)的時(shí)間計(jì)算出來(lái)。

IFM用于液位監(jiān)控的傳感器  基于激光反射時(shí)間的測(cè)量原理，用于液位檢測(cè)的傳感器采用無(wú)接觸的方式，檢測(cè)散裝原料及非透明的液體。

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