Dräger Tubes For Short Term Measurements: Carbon Monoxide 5/a-P
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 (Carbon Monoxide 5/a-P).
The tubes come in a pack of 1 tubes and have a shelf life of 2 years.
Use in Aerotest 5000, Aerotest Alpha, MultiTest med. Int., Aerotest Silmultaneous HP, Simultantest CO2
|Standard Measuring Range:||5 to 150 ppm|
|Flow Rate:||0.2 L / min|
|Time for Measurement:||approx. 5 min|
|Standard Deviation:||± 10 to 15 %|
|Colour Change:||white to brwnish-green|
Ambient Operating Conditions:
|Temperature:||0 to 40 °C|
|Absolute Humidity:||0 to 50 mg H2O / L|
|Pressure:||The tube may only be used for depressurized compressed air|
5 CO + I2O5 ~ H2S2O7 ~> I2 + 5 CO2
Acetylene reacts similarly to carbon monoxide but with less sensitivity. Petrol, benzene, halogenated hydrocarbons and hydrogen sulfide are retained in the pre-layer. Higher concentrations of easily cleavable halogenated hydrocarbons (e.g. trichloroethylene) may from chromyl chloride in the pre-layer which changes the indicating layer to yellowish-brown. In case of high olefine concentrations it is not possible to measure carbon monoxide.
Using a test volume of 2 L divide the reading by 2, measuring range 2.5 to 75 ppm..
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