成连续变化的光电流，它与被测量间呈单值关系.模拟式光电传感器按被测量(检测目标物体)方法可分为透射(吸收)式，漫反射式，遮光式(光束阻档)三大类。所谓透射式是指被测物体放在光路中，恒光源发出的光能量穿过被测物，部份被吸收后，透射光投射到光电元件上；所谓漫反射式是指恒光源发出的光投射到被测物上，再从被测物体表面反射后投射到光电元件上；所谓遮光式是指当光源发出的光通量经被测物光遮其中一部份，使投射到光电元件上的光通量改变，改变的程度与被测物体在光路位置有关。

NEW Sundstrand-Saue?r-Danfoss Hydraulic 47 Pump 066

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New Sundstrand-Saue?r-Danfoss Sundstrand microcontroller

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NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

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NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

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