产品展示
氮氧化物检知管11HA
点击次数：219发布时间：2012/3/20 10:33:08
更新日期：2012/9/21 14:20:45
所 在 地：其它
产品型号：11HA
相关标签：
优质供应
详细内容
简单介绍
氮氧化物检知管11HA Nitrogen oxides，Measuring Range 50 to 2500ppm，氮氧化物检知管价格，一氧化碳、光气、、硫化氢、甲醛、乙醛、二氧化氮、次氯酸、过氧化氢，氯化氢、氮氧化物、碳氢化合物总量
氮氧化物检知管11HA Nitrogen oxides
的详细介绍氮氧化物检知管11HA Nitrogen oxides
Nitrogen oxides No.11HA
NO+NO2
| Performance |
| Measuring Range | 50 to 2500 ppm |
| Number of PumpStrokes | 1 |
| CorrectionFactor | 1 |
| Sampling Time | 1 minute per pumpstroke |
| Detecting Limit | 10 ppm （n=1） |
| Color Change | White → Green |
| Reaction Principle | NO + Cr6++ H2SO4→NO2 |
| Coefficient ofVariation | 10% （for 50 to 400ppm）, 5% （for 400 to 2500 ppm） |
| ShelfLife | 2 Years |
| Correctionsfor temperature & humidity | Unnecessary |
| Store the tubes at cool ａnd darkplace. | |
| Possible coexisting substances ａnd theirinterferences | （NOTE） |
| Substance | Concentration | Interference | Change color by itself |
| Hydrogenchloride | 500 ppm | Faintdemarcation | Produce bluishpurple |
| Ozone | 200 ppm | Faintdemarcation | Browndiscoloration |
| Sulfur dioxide, | - | No effect | Nodiscoloration |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | NO2:Permeation tube method NO:High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| NO2:3ppm NO:25ppm | NO2:5ppm | - |
