Operating in more than 200 countries and territories, UPS is committed to moving our world forward by delivering what matters. Beginning as a small messenger service started by enterprising teenagers ...

对反射式光电传感器（圆柱形光电传感器）主要特点： FS/FE12-RL系列：激光光源，输入控制线设置，工作距离0-5m，M12外壳； FSE 18-2系列：红外光光源，工作距离10m，M18外壳； FS/FE18-RL系列：激光光源，输入控制线设置，工作距离0-50m，M18外壳； FL18W系列：激光光源 ...

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