Draeger Tube, Methyl Bromide 0.2/A 0.2-8ppm
DRAEGER SAFETY INC.
/ Model #8103391
Details
Draeger Tube - Methyl Bromide 0.2/a
Order No. 81 03 391
| Application Range | |
| Standard Measuring Range | 0.2 to 2 ppm / 2 to 8 ppm |
| Reverse activation (n) | 1 (1A) / 1 (1A) |
| Number of Strokes n: | 5 / 2 |
| Time for Measurement: | approx. 8 minutes / approx. 4 minutes |
| Standard Deviation: | ± 15 to 20% |
| Color Change: | light color to green |
| Ambient Operating Conditions | |
| Temperature: | 2 to 40° C ~ 35.6 to 104° F |
| Absolute Humidity: | < 20 mg H2O / L |
| Reaction Principle | |
| CH3 Br + H2S2 O7 + chromate → Br2 Br2 + o-tolidine → green reaction product |
|
| Cross Sensitivity | |
| Vinyl chloride or carbon tetrachloride: < 2 ppm no indication. Methyl bromide cannot be measured in the presence of perchloroethylene or trichloroethylene. Sulfuryl fluoride, phosphine, ethylene oxide, ammonia, hydrocyanic acid, chloropicrin and formaldehyde below their AGW/TLV values are not indicated. Ethylene dibromide is indicated with 1.2 times its sensitivity. | |
| Additional Information | |
| One reverse activation stroke with air or gas sample | |
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