| Measured Gas | Phosphine |
| Tube No. | 121SS |
| Scaled Range | 200 to 3000 ppm |
| Testable Range | 200 to 6000 ppm |
| Unit Scale | ppm |
| Multi-Range | Yes |
| Original Color | White |
| Stain Color | Orange |
| Shelf Life | 3 Years |
| CAS No. | 7803-51-2 |
| Tube Layout | [ Detector Tube ] |
| Typical Applications |
Fumigation of grains |
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