Nitrous Gases Detection Tubes 20/a (20 - 500 ppm)
For short-term measurements more than 160 Draeger-Tubes are available to measure the spot concentrations of specific gases. Measurement usually takes between 4 seconds and 15 minutes. The tubes are used either manually with the Draeger-Tube Accuro Pump or automatically with the Draeger X-act 5000.
A wide range of different gases and vapours can be detected and measured, such as:
- Determining and measuring concentration peaks
- Measuring personal exposure in the inhalation area
- Detecting leaks in pipelines, gas installations etc.
- Air analysis in sewers, shafts and confined spaces
Nitrous Gases Detection Tubes 20/a (20 - 500 ppm)
| Standard Measuring Range: |
20 to 500 ppm |
| Number of strokes n: |
2 |
| Time for Measurement: |
approx. 30 sec |
| Standard Deviation: |
± 10 to 15 % |
| Color Change: |
gray ──> red brown |
| Temperature: |
15 to 40 °C |
| Absolute Humidity: |
max. 40 mg H2O / L |
| Reaction Principle: |
a) NO + CrVI ──> NO2
b) NO2 + o-dianisidine ──> red brown reaction product |
| Cross Sensitivity: |
There is no influence of chlorine and ozone, if these gases are in range of their TLVs. Higher concentrations are indicated with different sensitivities. |
Nitrous Gases Detection Tubes 20/a (20 - 500 ppm)
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