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简单介绍：
5H二氧化硫检测管 Sulphur dioxide，Measuring Range 0.05 to 0.5% 0.5 to 4.0% 4.0 to 8.0%，日本GASTEC突发性事故有毒有害气体应急检测箱|TEI空气采样器|微生物采样器|气体采样泵,土壤、废水中硫化物快速检测箱YD-330,水质环境检测系统,水质**应急检测箱应急监测数据库.便携式多种气体分析仪. 便携式气相色谱仪
详情介绍：
5H二氧化硫检测管 Sulphur dioxide
Sulphur dioxide No.5H
SO2
| Performance |
MeasuringRange | 0.05 to 0.5% | 0.5 to 4.0% | 4.0 to 8.0% |
Number of PumpStrokes | 10 to 2 | 1 | 1/2 |
CorrectionFactor | 1/2 to 1/10 | 1 | 2 |
SamplingTime | 1 minute per pumpstroke | ||
DetectingLimit | 0.01% (n=10) | ||
ColorChange | Orange → Green | ||
ReactionPrinciple | SO2 + Cr6+→ Cr3+ | ||
| Coefficient ofVariation | 10% (for 0.5 to 1 %),5% (for 1 to 4 %) | ||
| ShelfLife | 3Years | ||
| Correctionsfor temperature & humidity | Unnecessary | ||
| Store the tubes at cool and darkplace. | |||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Carbonmonoxide | - | No effect | Nodiscoloration |
Carbondioxide | - | No effect | Nodiscoloration |
Nitrogendioxide | - | No effect | Nodiscoloration |
Hydrogensulfide | 500ppm | Plus error | Nodiscoloration |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | High pressure gascylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 2ppm | 5ppm | - |