Draeger Tube, Hydrogen 0.2%/A 0.2-2 Vol%, Box of 10
DRAEGER SAFETY INC.
/ Model #8101511
Details
Draeger Tube - Hydrogen 0.2%/a
Order No. 81 01 511
Application Range | |
Standard Measuring Range | 0.2 to 2.0 vol. % |
Number of Strokes n: | 1 |
Time for Measurement: | approx. 1 minute |
Standard Deviation: | ± 15 to 20% |
Color Change: | green yellow to turquoise blue |
Ambient Operating Conditions | |
Temperature: | 20 to 40° C ~ 68 to 104° F |
Absolute Humidity: | max. 50 mg H2O / L |
Reaction Principle | |
a) H2 + 1/2 O2 H2O b) H2O + indicator turquoise blue reaction product |
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Cross Sensitivity | |
No interference by: 0.1 vol. % acetylene 6 vol. % alcohol 6 vol. % ammonia 0.5 vol. % carbon monoxide |
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Additional Information | |
The indicating layer is heated up by hydrogen concentrations of more than 10 vol. %. The air sample must not contain additional flammable substances whose ignition temperature is below 250 °C/ 482 °F as this will cause an explosion risk. |