Description
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.
Application Range:
Use in MultiTest med. Int., Simultaneous CO2
| Standard Measuring Range: | 0.2 to 6 ppm |
| Test Volume: | 1L |
| 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 |
Reaction Principle:
a) NO + CrVI ~> NO2 b) NO2 + Diphenylbenzidine ~> blue grey reaction product
Cross Sensitivity:
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.
Evaluation:
Scale reading = ppm nitrous fumes.
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