| Carbon monoxiide | CO | NO.1LC |
|
|
||
| Performance |
|
Measuring Range |
1 to 30 ppm |
|
Number of Pump Strokes |
1 |
|
Correction Factor |
1 |
|
Sampling Time |
4 minutes per pump stroke |
|
Detecting Limit |
0.5 ppm (n=1) |
| Color Change |
White |
|
Reaction Principle |
CO + Paradium Salt (White) à Reaction Product |
| Coefficient of Variation |
10% (for 1 to 10 ppm), 5% (for 10 to 30 ppm) |
| Shelf Life | 2 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 |
|
Ammonia |
- |
No effect |
No discoloration |
|
Sulfur dioxide |
1/20 time |
Minus error |
No discoloration |
|
Nitrogen dioxide |
1/20 time |
Plus error |
No discoloration |
| Calibration gas generation | High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 25ppm | - | 12.5 to 74% |
|
|
| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Pale Pink