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简单介绍：
5LC 二氧化硫SO2检测管 Sulphur dioxide，5LC 二氧化硫检测管 Sulphur dioxide，环境空气质量监测系统，大气采样器，气体检测仪,环境监测仪器,空气质量检测仪,气体检测探头,检测仪,气体泄漏检测,一氧化碳检测,氨气检测,气体检测探头,变送器,报警仪,气体泄漏检测设备，甲醛检测仪器，专注于环境检测、室内空气质量检测
详情介绍：
5LC 二氧化硫检测管 Sulphur dioxide
Sulphur dioxide No.5LC
SO2
| Performance |
Measuring Range | 0.1 to 0.25 ppm | (0.25) to 10 ppm | 10 to 25 ppm |
Number of Pump Strokes | 4 | 2 | 1 |
Correction Factor | 0.4 | 1 | 2.5 |
Sampling Time | 2 minutes per pumpstroke | ||
Detecting Limit | 0.02 ppm (n=4) | ||
Color Change | Bluish purple →White | ||
Reaction Principle | SO2 +I2 +2H2O 仺 H2SO4 + 2HCl | ||
| Coefficient ofVariation | 10% (for0.25 to 2 ppm), 5% (for 2 to 10 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 |
Nitrogendioxide | - | Minus error | Produces brown stainof 1 mm |
Hydrogensulfide | 1/10 | Plus error | Produce uncleardemarcation |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Permeation tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 2ppm | 5ppm | - |