| Measured Gas | Nitrogen Oxide and Dioxide |
| Tube No. | 174B |
| Scaled Range | 10 to 300 ppm; 1 to 40 ppm |
| Testable Range | 1 to 300 ppm |
| Unit Scale | ppm |
| Multi-Range | No |
| Original Color | White |
| Stain Color | Pale Yellowish Orange |
| Shelf Life | 2 Years |
| CAS No. | 10102-43-9; 10102-44-0 |
| Tube Layout | [ Detector Tube ] |
| Typical Applications |
Flue gas and exhaust gas analysis with hollow glass tubes |
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