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About product and suppliers:
            2,191 portable gas detector products are offered for sale by suppliers on Alibaba.com, of which gas analyzers accounts for 62%, alarm accounts for 6%, and sensors accounts for 1%. 

A wide variety of portable gas detector options are available to you, 

There are 1,590 suppliers who sells portable gas detector on Alibaba.com, mainly located in Asia. The top countries of supplier is United States, from which the percentage of portable gas detector supply is 1% respectively.