品牌
生产厂家厂商性质
所在地
二氧化氮检测管9D NO2 Nitrogen dioxide
面议硫化氢检测管4D H2S Hydrogen sulphide
面议过氧化氢检测管32D Hydrogen peroxide
面议乙醇检测管112D C2H5OH Ethanol
面议三氯乙烯检测管132D Trichloroethylene
面议三氯乙烯检测管132D Trichloroethylene Trichloroethylene
面议一氧化碳气体检测管1D CO Carbon monoxide
面议二氧化碳检测管2D Carbon dioxide CO2
面议1,3 -丁二烯检测管174D 1,3-Butadiene
面议甲苯器检测管122DL C6H5CH3 Toluene
面议氨水氨气检测管3DL NH3 Ammonia
面议氨气气体检测管3D NH3 Ammonia
面议
| Performance |
| Measuring Range | 1 to 100 ppm |
| Sampling Hours | 1 to 10 hours |
| Detecting Limit | 0.5 ppm （10hours） |
| Color Change | Yellow→ Purple |
| Reaction Principle | HF +Indicator 仺 Purple product |
| Coefficient ofVariation | 15%（for 10 to 20 ppm-hr）,10% （for 20 to 100 ppm-hr） |
| ShelfLife | 3 Year |
| Correctionsfor temperature & humidity | Temperature and Humiditycorrection is necessary |
| Store the tubes atcool and dark place. | |
| Possible coexisting substances and theirinterferences | （NOTE） |
| Substance | Concentration | Interference | Change color by itself |
| Chlorine | 1/5 time | + | Bleaches zero zone |
| Hydrogen chloride Nitric acid | 1/5 time | + | Purple |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-S | Explosive range |
| 0.5ppm | C 2ppm | - |