详情介绍：
氢气检测管30 Hydrogen
Hydrogen No.30
H2
| Performance |
Measuring Range | 0.5 to 2.0% |
Number of Pump Stroke | 1 |
Correction Factor | 1 |
Sampling Time | 2 minutes per pump stroke |
Detecting Limit | 0.5%(n=1) |
Color Change | Yellow → Yellowish brown |
Reaction Principle | H2 + Na2Pd(SO3)2 → Pd + Na2SO3 + H2SO3 |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity | Unnecessary |
| Store the tubes at cool and dark place. | |
This is not a direct reading tube. Concentrations should be determined by using the concentration chart attached with this tube.
| Possible coexisting substances and their interferences | (NOTE) |
Substance | Interference | Change color by itself |
Carbon monoxide | Produce 2 layers | Produce blackish brown |
Acetylene | Produce 2 layers | Produce blackish brown |
Ethylene | Plus error | Produce blackish brown |
| Other substance measurable with this detector tube |
| Calibration gas generation | High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | 4 to 75% |
