https://image3.vipmro.net/goodsImg/999999/20111710/10002wang/20151026/003a01!450450.jpg
https://image3.vipmro.net/goodsImg/999999/203210/01470/201902271557/002a01!450450.jpg
检测气体种类:氧气
测试范围:0-25%/PPM
https://image3.vipmro.net/goodsImg/999999/20111710/10002wang/20151026/003a01!450450.jpg
https://img20.360buyimg.com/vc/jfs/t1/252861/7/29486/31188/67c82310Fcb1971da/96d5f0da31d0cb54.jpg
检测气体种类:一氧化碳
测试范围:-