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Dräger Short Term Detection Tubes - Formaldehyde 0.2/a (Pack of 10)

Dräger Short Term Detection Tubes - Formaldehyde 0.2/a (Pack of 10)

  • £68.65

Dräger Tubes For Short Term Measurements: Formaldehyde 0.2/a

Dräger Safety offer a massive range of short-term gas detection tubes for the measurement of various gases. This particular set of tubes is for (Formaldehyde 0.2/a).

The tubes come in a pack of 10 tubes and have a shelf life of 2 years.

Application Range:

Standard Measuring Range: 0.5 to 5 / 0.2 to 2.5 ppm
Number of Strokes n: 10
Time for Measurement: approx. 1.5 min / approx. 3 min
Standard Deviation: ± 20 to 30 %
Colour Change: white to pink

Ambient Operating Conditions:

Temperature: 10 to 40 °C
Absolute Humidity 3 to 15 mg/ 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.

    Extension of the Measuring Range

    The measuring range can be extended in conjunction with the activation tube (Order No. 81 01 141).

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