Description
Dräger-Tube Formaldehyde 0.2/a (10)
PN: 6733081
Dräger-Tubes™ are used together with a Dräger tube pump for measurements of gases, vapors and aerosols, usually in air, and are one of the classic methods of gas analysis. This Dräger-Tube is used for the detection of formaldehyde and has the following standard measuring range: 0.5-5 ppm 0.2-2.5 ppm Measurements: 10
| Application Range | |
| Standard Measuring Range | 0.5 to 5 / 0.2 to 2.5 ppm |
| Number of Strokes n | 10 / 20 |
| Time for Measurement | approx. 1.5 min / approx. 3 min. |
| Standard Deviation | ± 20 to 30% |
| Color Change | white to pink |
| Ambient Operating Conditions | |
| Temperature | 10 to 40 °C |
| Absolute Humidity | 3 to 15 mg H2O/L |
| Cross Sensitivity |
| Styrene, vinyl acetate , acetaldehyde, acrolein, diesel fuel and furfuryl are indicated with a yellowish brown discloration. 500 ppm octane, 5 ppm nitric oxide and 5 ppm nitrogen dioxide have no effect. |
| Extension of the Measuring Range |
| The measuring range can be extended in conjuction with the activation tube (Order No. 8101141). The following information applies to the n = 20 stroke scale : |
| Pump Strokes | Scale Divided by | Range |
| 40 | 2 | 0.1 to 1.25 ppm |
| 80 | 4 | 0.05 to 0.63 ppm |
| 100 | 5 | 0.04 to 0.5 ppm |
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