| Water vapor | H2O | NO.6 | |
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| Performance |
|
Measuring Range |
0.5 to 1 mg/l |
1 to 18 mg/l |
18 to 32 mg/l |
|
Number of Pump Strokes |
2 |
1 |
1/2 |
|
Correction Factor |
1/2 |
1 |
by scale |
|
Sampling Time |
1 minutes per pump stroke |
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|
Detecting Limit |
0.1 mg/l (n=2) |
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|
Color Change |
Yellowish Green |
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|
Reaction Principle |
Water vapor is absorbed by reagent to produce |
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| Coefficient of Variation | 10% (for 1 to 6 mg/l), 5% (for 6 to 18 mg/l) | ||
| Shelf Life | 3 Years | ||
| Corrections for temperature & humidity |
Temperature correction is necessary | ||
| Store the tubes at cool and dark place. | |||
| Possible coexisting substances and their interferences | (NOTE) |
|
Substance |
Concentration |
Interference |
Change color by itself |
| Alcohols,Ketones,Aldehydes, Sulfur dioxide,Hydrogen chloride |
2000ppm |
Puls error |
No discoloration |
| Esters,Acrylonitrile |
5000ppm |
Puls error |
No discoloration |
| Ammonia |
1000ppm |
Puls error |
No discoloration |
| Nitrogen dioxide,Hydrogen cyanide |
500ppm |
Puls errorr |
No discoloration |
| Hydrogen sulfide | - |
No effect |
No discoloration |
| Calibration gas generation | Vaper pressure method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | - |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
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