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About product and suppliers:
        Alibaba.com offers 45,203 gas sensor products. About 19% of these are sensors, 12% are alarm, and 1% are flow sensors. 

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

There are 45,042 gas sensor suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 98%, 1%, and 1% of gas sensor respectively. 

Gas sensor products are most popular in Western Europe, North America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 16,884 with ISO9001, 4,526 with Other, and 1,415 with OHSAS18001 certification.