Indicator: 0.1~0.6ppm
Measuring Range:
+ 0.025 to 0.05 ppm, Number of Pump Strokes 10
+ 0.05 to 0.6 ppm, Number of Pump Strokes 5
+ 0.6 to 3 ppm, Number of Pump Strokes 1
+ 3 to 6 ppm, Number of Pump Strokes 1/2
Sampling Time: 1 minute per pump stroke
Colour Change: Blue → White
Reaction Principle: 2 O3 + C16H10N2O2 → 2C8H5NO2 + 2O2
Coefficient of Variation: 10% (for 0.05 to 0.2 ppm), 5% (for 0.2 to 0.6 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Catalog
Manual
manual tube
Performance
| Measuring Range |
| 0.025 to 0.05 ppm |
0.05 to 0.6 ppm |
0.6 to 3 ppm |
3 to 6 ppm |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
| 1 minute per pump stroke |
30 seconds |
|
| Detecting Limit |
0.01 ppm (n=10) |
| Colour Change |
Blue → White |
| Reaction Principle |
2 O3 + C16H10N2O2 → 2C8H5NO2 + 2O2 |
| Coefficient of Variation |
10% (for 0.05 to 0.2 ppm), 5% (for 0.2 to 0.6 ppm) |
| Shelf Life |
3 Years |
| Corrections for temperature & humidity |
Unnecessary |
| Store the tubes at cool and dark place. |
Possible coexisting substances and their interferences
(NOTE)
| Substance |
Concentration |
Interference |
Change colour by itself to |
| Bromine |
1 ppm |
+ |
White |
| Hypochlorous acid |
|
+ |
White |
| Nitrogen dioxide |
1 ppm |
+ |
White |
| Oxidant |
|
+ |
White |
| Chlorine |
10 ppm |
+
(Bleaching) |
unclear demarcation |
| Water vapour |
100% relative humdity |
+ |
unclear demarcation |
| Calibration gas generation |
Ozone generater |
| TLV-TWA |
TLV-STEL |
Explosive range |
| *1 |
- |
- |
*1:Heavy work:0.05ppm,Moderate work:0.08ppm,
Light work:0.10ppm,Heavy,moderate,or light workloads (
2hours):0.20ppm (2015)
