Dräger Tubes For Short Term Measurements: Nitrous Fumes 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 (Nitrous Fumes 0.2/a).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
Use in MultiTest med. Int., Simultaneous CO2
|Standard Measuring Range:||0.2 to 6 ppm|
|Flow Rate:||0.2 L/min.|
|Time for Measurement:||5 min|
|Standard Deviation:||± 30 %|
|Colour Change:||grey green to blue grey|
Ambient Operating Conditions:
|Temperature:||10 to 40 °C|
|Absolute Humidity:||max. 40 mg H2O / L|
|Pressure:||The tube may only be used for depressurized compressed air|
a) NO + CrVI ~> NO2 b) NO2 + Diphenylbenzidine ~> blue grey reaction product
It is impossible to measure nitrous fumes in the presence of ozone and/or chlorine in excess of their TLV's, these gases are also indicated with different sensitivity. Nitrogen dioxide concentrations above 300 ppm can bleach the indication.
Scale reading = ppm nitrous fumes.
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