施克SICK接近传感器德国SICK接近开关施克开关SICK接近传感器SICK开关SICK施克光电接近开关一些常用SICK型号:WT4-2N132WL9-2N131WL9-2P431WL9-2N131WS/WE9-2N130WS/WE9-2N430WL12-2B560WL12-2B560S37WL14-P132P01WS/WE12L-2N430WT18-3P610WT24-2B420WL23-F132WS/WE24-2B230WL34-B430WS/WE100-N1439WT160-F450WS/WE150-P430WT150-T430WT18-3P610WT250-S162WL170-N122WT170-N132WT170-N430WS/WE-170-N132WT150-N162WT150-N460WS/WE-150-N132WL150-N132VS/VE-180-N132)