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简单介绍：
二氧化氮检测管9D NO2 Nitrogen dioxide，Measuring Range 0.1 to 30 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.05 ppm (10 hours) Color Change二氧化氮检测管价格
详情介绍：
二氧化氮检测管9D NO2 Nitrogen dioxide
Nitrogen dioxide No.9D
NO2
| Performance |
Measuring Range | 0.1 to 30 ppm |
Sampling Hours | 1 to 10 hours |
Detecting Limit | 0.05 ppm (10hours) |
Color Change | White→ Yellow |
Reaction Principle | NO2 + o-Toluidine → Yellowproduct |
| Coefficient ofVariation | 10%(for 1 to 30 ppm-hr) |
| ShelfLife | 1 Year |
| Correctionsfor temperature & humidity | Temperature correction isnecessary |
| Store the tubes inthe refrigerator to keep at 10ºC (50ºF) orbelow. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Bromine,Chlorine | - | Yellow | |
| Ammonia Carbon monoxide Nitric oxide sulphur dioxide Organic gases and vapour |
| No | No |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 3 ppm | 5 ppm | - |