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简单介绍：
二氧化硫气体检测管5D sulphur dioxide SO2，Measuring Range 0.2 to 100 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.1 ppm (10 hours) Color 二氧化硫气体检测管价格
详情介绍：
二氧化硫气体检测管5D sulphur dioxide
sulphur dioxide No.5D
sulphur dioxide No.5D
SO2
| Performance |
Measuring Range | 0.2 to 100 ppm |
Sampling Hours | 1 to 10 hours |
Detecting Limit | 0.1 ppm (10hours) |
Color Change | Green→ Yellow |
Reaction Principle | SO2 + BaCl2 + H2O 仺 BaSO3 + 2HCl |
| Coefficient ofVariation | 10%(for 2 to 10 ppm-hr),5% (for 10 to 100 ppm-hr) |
| ShelfLife | 3 Year |
| Correctionsfor temperature & humidity | Unnecessary |
| Store the tubes atcool and dark place. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Nitrogendioxide | - | No | |
| Hydrogen sulphide |
| + | No |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 2 ppm | 5 ppm | - |