Dräger Short Term Detection Tubes - Formaldehyde 0.2/a (Pack of 10)6733081
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.
|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|
HCHO + C6H4(CH3)2 + H2SO4 ~> quinoid reaction products
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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