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About product and suppliers:
        Alibaba.com offers 1,662 npn metal sensor products. About 94% of these are sensors, 1% are auto sensors, and 1% are alarm. 

A wide variety of npn metal sensor options are available to you, such as position sensor, level sensor, and magnetic sensor. You can also choose from current sensor, inductance sensor, and optical sensor. As well as from digital sensor, analog sensor, and switching transducer. And whether npn metal sensor is free samples, or paid samples. 

There are 1,661 npn metal sensor suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Malaysia, and Canada, which supply 98%, 1%, and 1% of npn metal sensor respectively. 

Npn metal sensor products are most popular in North America, Western Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 493 with ISO9001, 277 with ISO14001, and 276 with OHSAS18001 certification.