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二合一气体检测仪报警值设置说明-深国安官网

二合一气体检测仪报警值怎么去设置呢?一般是要看你测什么气体的?例如二合一气体检测仪常规测较为广泛测甲烷，氧气这种气体指标，那它们设置报警标准值是多少呢?测甲烷，低报报警值设置10%LEL – 25%LEL之间，高报则设置50%LEL，其次测氧气，通常设置报警值为20.90%VOL。

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