产品分类
PRODUCT CENTER
联系我们
销售电话：时经理
18121126516
021-64835787
产品详情
简单介绍：
二氧化硫检测管5Lb Sulphur dioxide SO2，0.05 to0.1 ppm 0.1 to0.2 ppm 0.2 to5.0 ppm 5.0 to10.0 ppm，提供专业的检测仪器、防护手段及配套方案。二甲苯、甲醇、乙醇、乙烯、乙炔、乙醚、汽油、光气、氰化氢、丙烯腈、磷化氢等几十种
详情介绍：
二氧化硫检测管5Lb Sulphur dioxide SO2
Sulphur dioxide No.5LB
SO2
| Performance |
MeasuringRange | 0.05 to0.1 ppm | 0.1 to0.2 ppm | 0.2 to5.0 ppm | 5.0 to10.0 ppm |
Number of PumpStrokes | 8 | 4 | 2 | 1 |
CorrectionFactor | 1/4 | 1/2 | 1 | 2 |
Sampling Time | 1 minute per pump stroke | |||
DetectingLimit | 0.01 ppm (n=8) | |||
Colour Change | Yellowish green → Yellow | |||
ReactionPrinciple | SO2 + BaCl2 +H2O 仺 BaSO3 + 2HCl HCl+Base 仺 Chloride | |||
Coefficient ofVariation | 10% (for 0.2 to 1 ppm), 5% (for 1 to 5ppm) | |||
Shelf Life | 3 Years | |||
Corrections for temperature &humidity | Unnecessary | |||
Store the tubes at cool and darkplace. | ||||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Carbon monoxide, | No | No | |
Carbondioxide | 100% | + | Yellow |
| Nitrogen dioxide | 1 ppm | Uncleardemarcation | Yellow |
| Hydrogen sulphide |
| No | No |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Permeation tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 2ppm | 5ppm | - |