Water Vapor Detection Tubes (2 to 10 lb/MMCF)
Gastec Detection Tube No. 6LLP measures Water Vapor with a Range of 2 to 10 LB/MMCF.
Performance:
- Measuring Range: 2 to 10 LB/MMCF
- Number of Pump Strokes: 2 (200 ml)
- Correction Factor: 1
- Sampling Time: 3 minutes
- Detecting Limit: 2 LB/MMCF (2 pump strokes)
- Color Change: Yellow to Green
- Corrections for Temperature & Humidity: Temperature correction is necessary
- Relative Standard Deviation: 10% (for 2 to 4 LB/MMCF), 5% (for 4 to 10 LB/MMCF)
- Shelf Life: 3 Years
- Reaction Principle: H2O + Mg(ClO4)2 ? Mg(ClO4)2?H2O
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Sulfur dioxide |
? 15 ppm |
No |
No |
| Nitrogen dioxide, Hydrogen sulfide |
? 30 ppm |
No |
No |
| Hydrogen cyanide |
? 40 ppm |
No |
No |
| Methyl ethyl ketone |
? 70 ppm |
No |
No |
| Ethyl acetate |
? 100 ppm |
No |
No |
| Acrylonitrile |
? 40 ppm |
No |
No |
| Acetaldehyde |
? 50 ppm |
No |
No |
| Methanol |
? 50 ppm |
+ |
Green |
| Triethylene glycol |
|
No |
No |
Water Vapor Detection Tubes (2 to 10 lb/MMCF)
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