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Sulfur dioxide detection tube 5Lb
Sulfur dioxide detection tube 5 Lb Sulphur dioxide SO2，0.05 to0.1 ppm 0.1 to0.2 ppm 0.2 to5.0 ppm 5.0 to10.0 ppm， Provide professional testing instrum
Product details
二氧化硫检测管5 Lb 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 | - |
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