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5DH sulphur dioxide SO2,Measuring Range 10 to 600 ppm Sampling Hours 1 to 5 hours Detecting Limit 1 ppm (5 hours) Color Change Bluish purple → White Reaction Principle二氧化硫检测管价格
详情介绍:
二氧化硫检测管5DH sulphur dioxide sulphur dioxide No.5DH
SO2

Performance |
Measuring Range | 10 to 600 ppm |
Sampling Hours | 1 to 5 hours |
Detecting Limit | 1 ppm (5hours) |
Color Change | Bluishpurple → White |
Reaction Principle | SO2 + I2+H2O → 2HI + H2SO4 |
Coefficient ofVariation | 10%(for 50 to 600 ppmr) |
ShelfLife | 3 Year |
Correctionsfor temperature & humidity | Temperature correction isnecessary |
Store the tubes atcool and dark place. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Nitrogendioxide | - | No | |
Hydrogen sulphide |
| + | White |
Calibration gasgeneration | Diffusion tubemethod |
TLV-TWA | TLV-STEL | Explosive range |
2 ppm | 5 ppm | - |