详细介绍 ◆ 可同时检测金属及非金属材质物体,应用更广泛;◆ 可通过非金属管壁检测容器内的不同介质; NPN NOCR18SCF05DNOCR18SCN08DNO NPN NCCR18SCF05DNCCR18SCN08DNC NPN NO+NCCR18SCF05DNRCR18SCN08DNR PNP NOCR18SCF05DPOCR18SCN08DPO PNP NCCR18SCF05DPCCR18SCN08DPC PNP NO+NCCR18SCF05DPRCR18SCN08DPR