Dräger Tubes For Short Term Measurements: Water Vapor 20/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 (Water Vapor 20/a-P).
The tubes come in a pack of 1 tubes and have a shelf life of 2 years.
Use in Aerotest Alpha, MultiTest med. Int., Aerotest Simultaneous HP
|Standard Measuring Range:||20 to 250 / 35 to 500 / 150 to 1500 mg H2O/m3|
|Test Volume:||40 L / 20 L|
|Flow Rate:||4 L / min|
|Time for Measurement:||10 min. / 5 min. / 2.5 min.|
|Standard Deviation:||± 15 to 20 %|
|Colour Change:||yellow to red-brown|
Ambient Operating Conditions:
|Temperature:||0 to 40 °C|
|Absolute Humidity:||cf. measuring range|
|Pressure:||The tube may only be used for depressurized compressed air|
H2O + SeO2 + H2SO4 ~> reddish brown reaction product
Alcohols and unsaturated hydrocarbons of high concentrations may cause a diffused discoloration of the indicating layer.
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