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简单介绍：
二氧化碳气体检测管2HH Carbon dioxide，Measuring Range 2.5 to 5% 5 to 40% Number of Pump Strokes 1 1/2 (50 ml) Correction Factor 1/2 1 Sampling，二氧化碳气体检测管价格
详情介绍：
二氧化碳气体检测管2HH Carbon dioxide
二氧化碳气体检测管2HH Carbon dioxide Carbon dioxide No.2HH
二氧化碳气体检测管2HH Carbon dioxide Carbon dioxide No.2HH
CO2
| Performance |
Measuring Range | 2.5 to 5% | 5 to 40% |
Number of Pump Strokes | 1 | 1/2 (50 ml) |
Correction Factor | 1/2 | 1 |
Sampling Time | 30 seconds. for1/2 pump stroke(50ml) | |
Detecting Limit | 0.5% (n=1) | |
Color Change | Orange →Yellow | |
Reaction Principle | CO2 + N2H4 → NH2 | |
| Coefficient ofVariation | 10% (for5 to 10 %), 5% (for 10 to 40 %) | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity | Unnecessary | |
| Store the tubes at cool and darkplace. | ||
NH| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Ammonia | - | No effect | Nodiscoloration |
CarbonMonoxide | - | No effect | Nodiscoloration |
Hydrogenchloride | - | No effect | Nodiscoloration |
Nitrogenoxides | - | No effect | Nodiscoloration |
Sulfurdioxide | - | No effect | Nodiscoloration |
Amines | - | No effect | Nodiscoloration |
Organicsolvents | - | No effect | Nodiscoloration |
Chlorine | - | No effect | Nodiscoloration |
Hydrogensulfide | - | No effect | Nodiscoloration |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 5000ppm | 30000ppm | - |