Description
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.
Application Range:
Use in Aerotest 5000, Aerotest Alpha, MultiTest med. Int., Aerotest Silmultaneous HP, Simultantest CO2
| Standard Measuring Range: | 5 to 150 ppm |
| Test Volume: | 1L |
| 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 |
Reaction Principle:
5 CO + I2O5 ~ H2S2O7 ~> I2 + 5 CO2
Cross Sensitivity:
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.
Evaluation:
Using a test volume of 2 L divide the reading by 2, measuring range 2.5 to 75 ppm..
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