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產品簡介
氨氣檢測管
詳細介紹
氨氣檢測管3L Ammonia NH3，Measuring Range 0.5 to1 ppm 1 to 30 ppm 30 to 78 ppm Number of Pump Strokes 2 1 1/2 Correction Factor 1/2 1 2.6 Sampling Time 1 seconds per pump stroke氨氣檢測管價格
3L Ammonia NH3的詳細介紹
3L Ammonia NH3 Ammonia No.3L 
NH3
| Performance |
| Measuring Range | 0.5 to1 ppm | 1 to 30 ppm | 30 to 78 ppm |
| Number of PumpStrokes | 2 | 1 | 1/2 |
| Correction Factor | 1/2 | 1 | 2.6 |
| Sampling Time | 1 seconds perpump stroke | ||
| Detecting Limit | 0.2 ppm （n=2） | ||
| Color Change | Pink → Yellow | ||
| Reaction Principle | 2NH3 + H2SO4 → （NH4）2SO4 | ||
| Coefficient ofVariation | 10% （for5 to 20 ppm）, 5% （for 20 to 100 ppm） | ||
| ShelfLife | 3Years | ||
| Correctionsfor temperature & humidity | Temperature correction is necessary | ||
| Store the tubes at cool and darkplace. | |||
| Possible coexisting substances and theirinterferences | （NOTE） |
| Substance | Concentration | Interference | Change color by itself |
| Carbondioxide | 1% | - | No |
| Hydrazine | - | + | Yellow |
| Amines | 1/15 | + | Yellow （ 5ppm） |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-S | Explosive range |
| 25ppm | 35ppm | 15 to 28% |