| 摘要 |
PURPOSE: An electrochemical hydrogen gas sensor is provided to accurately detect the concentration of hydrogen gas even if carbon monoxide is existed by using a filter for eliminating carbon monoxide. CONSTITUTION: An electrochemical hydrogen gas sensor(100) comprises a housing(10), a hydrogen gas detecting part, and a carbon monoxide removal filter(30). A hydrogen gas inlet(12) is formed in the housing. The hydrogen gas detecting part is arranged inside the housing and detects hydrogen gas. The carbon monoxide removal filter is arranged between the hydrogen inlet and the hydrogen gas detecting part and filters carbon monoxide gas.
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