Indicator: 0.5 to 4.0 ppm
Measuring Range:
+ 0.125 to 0.25 ppm, Number of Pump Strokes 2
+ 0.25 to 4.0 ppm, Number of Pump Strokes 1
+ 4.0 to 8.8 ppm, Number of Pump Strokes 1/2
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Purple
Reaction Principle: Cl2C:CHCl + PbO2 + H2SO4 → HCl, HCl + Basic Compound → Chloride
Coefficient of Variation: 10% (for 0.25 to 1.0 ppm), 5% (for 1.0 to 4.0 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Catalog
Manual
Performance
| Measuring Range |
| 0.125 to 0.25 ppm |
0.25 to 4.0 ppm |
4.0 to 8.8 ppm |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
1.5 minutes per pump stroke |
| Detecting Limit |
0.05 ppm (n=2) |
| Colour Change |
Yellow → Purple |
| Reaction Principle |
Cl2C:CHCl + PbO2 + H2SO4 → HCl
HCl + Basic Compound → Chloride |
| Coefficient of Variation |
10% (for 0.25 to 1.0 ppm), 5% (for 1.0 to 4.0 ppm) |
| Shelf Life |
2 Years |
| 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 |
Concentration |
Interference |
Change colour by itself to |
| Hydrogen chloride, Chlorine, Bromine |
≧ 1/2 time |
+ |
Purple |
| Tetrachloroethylene |
≧ 1/2 time |
+ |
Purple |
| 1,1,1-Trichloroethane |
≦ 80 ppm |
No |
No ( ≦ 80 ppm) |
| Toluene, Xylene |
|
No |
No |
Other substance measurable with this detector tube
| Substance |
Correction Factor |
No. of pump strokes |
Measuring Range |
| 1,2-Dichloroethylene |
1.5 |
1 |
0.375 to 6 ppm |
| Dichlorvos |
0.45 |
2 |
0.11 to 1.8 ppm |
| Calibration gas generation |
Diffusion tube method |
| TLV-TWA |
TLV-STEL |
Explosive range |
| 10 ppm (2014) |
25 ppm (2014) |
- |
