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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
| Measuring Range |
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| Number of Pump Strokes |
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| Correction Factor |
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| Sampling Time |
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| 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. | |||||
| 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)
