施克全新光柵C4P-EA19510A001200

光電傳感器一般由光源、光學(xué)通路和光電元件3 部分組成。其基本原理是以光電效應(yīng)為基礎(chǔ)，把被測量的變化轉(zhuǎn)換成光信號的變化，然后借助光電元件進一步將光信號轉(zhuǎn)換成電信號。光電效應(yīng)是指用光照射某一物體，可以看作是一連串帶有一定能量為的光子轟擊在這個物體上，此時光子能量就傳遞給電子，并且是一個光子的全部能量一次性地被一個電子所吸收，電子得到光子傳遞的能量后其狀態(tài)就會發(fā)生變化，從而使受光照射的物體產(chǎn)生相應(yīng)的電效應(yīng)。通常把光電效應(yīng)分為3 類：（1 ）在光線作用下能使電子逸出物體表面的現(xiàn)象稱為外光電效應(yīng)，如光電管、光電倍增管等；（2 ）在光線作用下能使物體的電阻率改變的現(xiàn)象稱為內(nèi)光電效應(yīng)，如光敏電阻、光敏晶體管等；（3 ）在光線作用下，物體產(chǎn)生一定方向電動勢的現(xiàn)象稱為光生伏*應(yīng)，如光電池等。

8.5820.0H40.1024.5093.0250

8.5820.0H40.1024.5102

8.5820.0H40.1024.5138

8.5820.0H40.2000.5093.0050

8.5820.0H40.2048.5093.0015

8.5820.0H40.2048.5093.0050

8.5820.0H40.2048.5093.0100

8.5820.0H40.2048.5138

8.5820.0H40.2500.5093.0015

8.5820.0H40.4096.5093.0015

8.5820.0H40.4096.5093.0050

8.5820.0H40.4096.5093.0100

8.5820.0H40.4096.5138

亨士樂編碼器

S21-2048.001/03C
0548001

RS53/2048A1.0KV10X01

0548898

RS20/2048A1.0KS0

1XP8001-1/1024  538725-11

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施克全新光柵C4P-EA19510A001200

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WSE4-3N1330
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