| Water vapor | H2O | NO.6LP | |
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| Performance |
|
Measuring Range |
3 to 40 LB/MMCF |
40 to 100 LB/MMCF |
|
Number of Pump Strokes |
1 |
1/2 |
|
Correction Factor |
1 |
2.5 |
|
Sampling Time |
1.5 minutes per pump stroke |
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Detecting Limit |
2 LB/MMCF (n=1) |
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Color Change |
Yellow |
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Reaction Principle |
Humidity reacts with reagent to produce greenish purple stain. |
|
| Coefficient of Variation | 10% (for 3 to 10 LB/MMCF), 5% (for 10 to 40 LB/MMCF) | |
| Shelf Life | 3 Years | |
| Corrections for temperature & humidity |
Temperature correction is necessary | |
| Store the tubes at cool and dark place. | ||
*(may become purple with high humidity)
| Possible coexisting substances and their interferences | (NOTE) |
|
Substance |
Interference |
|
Hydrogen Chloride, Hydrogen Cyanide, Nitric Acid |
Plus error |
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Sulfur Dioxide, Nitrogen Dioxide |
Plus error |
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Alcohols |
No effect |
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Esters, Aldehydes, Ketones,Nitriles |
Plus error |
| Calibration gas generation | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |