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E-mail
1375312008@qq.com
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Phone
18121126516(微信同号)13301881771
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Address
Building 10, 4th Floor, Block F, No. 1188 Lianhang Road, Minhang District, Shanghai
Shanghai Yudong Electronic Technology Co., Ltd
1375312008@qq.com
18121126516(微信同号)13301881771
Building 10, 4th Floor, Block F, No. 1188 Lianhang Road, Minhang District, Shanghai

| Performance |
MeasuringRange |
2to 5ppm |
5to 100ppm |
100to 250ppm |
Number of Pump Strokes |
2 |
1 |
1/2 |
Correction Factor |
0.4 |
1 |
2.5 |
SamplingTime |
1 minute per pumpstroke |
||
DetectingLimit |
0.4 ppm (n=2) |
||
ColorChange |
Yellow → ReddishPurple |
||
ReactionPrinciple |
Cl2C:CHCl + PbO2+H2SO4→HCl |
||
| Coefficient ofVariation | 10% (for5 to 20 ppm), 5% (for 20 to 100 ppm) | ||
| ShelfLife | 2Years | ||
| Correctionsfor temperature & humidity |
Temperature correction isnecessary | ||
| Store the tubes inthe refrigerator to keep at 10oC (50oF) orbelow. | |||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance |
Concentration |
Interference |
Change color byitself |
Nitric Oxide,Nitrogen dioxide |
- | No effect |
Nodiscoloration |
Hydrogen chloride,Chlorine, Bromine |
- | Plus error |
Produce reddishpurple stain |
Acetone |
200 ppm |
No effect |
Nodiscoloration |
UnsaturatedHalogenated HCs |
- | Plus error |
Produces reddishpurple stain |
Aromatichydrocarbons |
100ppm |
Minus error |
Nodiscoloration |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 50ppm | 100ppm | - |