Dräger Short Term Detection Tubes - Formaldehyde 2/a (Pack of 10)8101751
Dräger Tubes For Short Term Measurements: Formaldehyde 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 2/a).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
|Standard Measuring Range:||2 to 40 ppm|
|Number of Strokes n:||5|
|Time for Measurement:||approx. 30 s|
|Standard Deviation:||± 20 to 30 %|
|Colour Change:||white to pink|
Ambient Operating Conditions:
|Temperature:||0 to 40 °C|
|Absolute Humidity||3 to 15 mg H2O / 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..
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