Carbon dioxide |
NO.2L |
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Measuring Range |
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Number of Pump Strokes |
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Correction Factor |
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Sampling Time | 2 minutes per pump stroke | |||
Detecting Limit | 0.025% (n=2) | |||
Colour Change | White → Purple | |||
Reaction Principle | CO2 + N2H4 → NH2![]() ![]() |
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Coefficient of Variation | 10% (for 0.25 to 1 %), 5% (for 1 to 3 %) | |||
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 |
Ammonia | No | No | |
Carbon Monoxide | No | No | |
Chlorine | No | No | |
Hydrogen chloride | No | No | |
Nitrogen oxides | No | No | |
sulphur dioxide | No | No | |
Amines | No | No | |
Organic solvents | No | No |
Calibration gas generation | High pressure gas cylinder method |
TLV-TWA | TLV-STEL | Explosive range |
5000 ppm | 30000 ppm | - |