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H2S 0-100ppm 0.1ppm 10ppm 20ppm. C2H4O 0-100ppm 1/0.1ppm 20ppm 50ppm. SO2 0-20ppm 0.1/1ppm 5ppm 10ppm. NH3 0-100ppm 0.1/1ppm 20ppm 50ppm. This is a portable single gas detector can make continuous detection to combustible and toxic gases.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.