Performance
| Measuring Range |
3 to 300 ppm |
| Sampling Hours |
1 to 8 hours |
| Colour Change |
Yellow → Purple |
| Reaction Principle |
Cl2C:CHCl + PbO2 + H2SO4 → HCl
HCl + Base → Chloride |
| Coefficient of Variation |
10% (for 25 to 300 ppm-hr) |
| Shelf Life |
1Year |
| Corrections for temperature & humidity |
Temperature correction is necessary |
| Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. |
Possible coexisting substances and their interferences
(NOTE)
| Substance |
Interference |
Change colour by itself to |
| Hydrogen chloride, Chlorine |
+ |
Purple |
| 1,2-Dichloroethylene, Tetrachloroethylene |
+ |
Purple |
| Toluene, Xylene |
No |
No |
Other substance measurable with this detector tube
| Substance |
Correction Factor |
Sampling Time |
Measuring Range |
| trans-1,2-Dichloroethylene |
2.0 |
1 to 8 hours |
6 to 600 ppm |
| Chlorine |
0.8 |
1 to 8 hours |
2.4 to 240 ppm |
| Hydrogen chloride |
0.6 |
1 to 8 hours |
1.8 to 180 ppm |
| Tetrachloroethylene |
0.5 |
1 to 8 hours |
1.5 to 150 ppm |
| Calibration gas generation |
Diffusion tube method |
| TLV-TWA |
TLV-STEL |
Explosive range |
| 10 ppm |
25 ppm |
- |
