二氧化硫气体检测管5D 5D
产品简介
二氧化硫气体检测管5D sulphur dioxide
产品详细信息
二氧化硫气体检测管5D sulphur dioxide
简单介绍
二氧化硫气体检测管5D sulphur dioxide SO2,Measuring Range 0.2 to 100 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.1 ppm (10 hours) Color 二氧化硫气体检测管价格
二氧化硫气体检测管5D sulphur dioxide的详细介绍
二氧化硫气体检测管5D sulphur dioxide
sulphur dioxide No.5D
SO2
Performance |
Measuring Range |
0.2 to 100 ppm |
Sampling Hours |
1 to 10 hours |
Detecting Limit |
0.1 ppm (10hours) |
Color Change |
Green→ Yellow |
Reaction Principle |
SO2 + BaCl2 + H2O 仺 BaSO3 + 2HCl |
Coefficient ofVariation |
10%(for 2 to 10 ppm-hr),5% (for 10 to 100 ppm-hr) |
ShelfLife | 3 Year |
Correctionsfor temperature & humidity |
Unnecessary |
Store the tubes atcool and dark place. |
Possible coexisting substances and theirinterferences |
Substance |
Concentration |
Interference |
Change color by itself |
Nitrogendioxide |
- |
No |
|
Hydrogen sulphide |
|
+ |
No |
Calibration gasgeneration | Diffusion tubemethod |
TLV-TWA | TLV-STEL | Explosive range |
2 ppm | 5 ppm | - |