Draeger Tube, Formaldehyde 2/A 2-40ppm, Box of 10
DRAEGER SAFETY INC.
/ Model #8101751
Details
Draeger Tube - Formaldehyde 2/a
Order No. 81 01 751
| Application Range | |
| Standard Measuring Range | 2 to 40 ppm |
| Number of Strokes n: | 5 |
| Time for Measurement: | approx. 30 seconds |
| Standard Deviation: | ± 20 to 30% |
| Color Change: | white to pink |
| Ambient Operating Conditions | |
| Temperature: | 0 to 40° C ~ 32 to 104° F |
| Absolute Humidity: | 3 to 15 mg H2O / L |
| Reaction Principle | |
| HCHO + C6H4(CH3)2 + H2SO4 quinoid reaction products | |
| Cross Sensitivity | |
| Styrene, vinyl acetate, acetaldehyde, acrolein, diesel fuel and furfuryl alcohol are indicated with a yellowish brown discoloration. 500 ppm Octane, 5 ppm nitric oxide and 5 ppm nitrogen dioxide have no effect. | |
| Additional Information | |
| The reagent ampoule must be broken before carrying out the measurement. | |
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