Measurement range: 0.05 to 1.0ppm Scale range: 0.05 to 1.0ppm Scale range: 0.05 to 1.0ppm Summary of suctions: 5 times (standard), 1 time Measurement time: (standard 5 times) 7 minutes 30 seconds Temperature correction is available (described in the instruction manual) Detection limit: 0.03 ppm (5 冰箱存储 到期日期:制造1年 受试者气体:甲醛 受试者气体:甲醛 到期期(年):1(冰箱中的标准)