Ethylene Oxide Detection Tubes 25/a (25 - 500 ppm)

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Item #: 6728241
MFG: Draeger
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Ethylene Oxide Detection Tubes 25/a (25 - 500 ppm)

For short-term measurements more than 160 Draeger-Tubes are available to measure the so-called spot concentrations of specific gases. A wide range of different gases and vapours can be detected and measured, e.g.: Determining and measuring concentration peaks, Measuring personal exposure in the inhalation area, Detecting leaks in pipelines, gas installations etc., and Air analysis in sewers, shafts and confined spaces.

Contains 10 tubes

Standard Measuring Range25 to 500 ppm
Number of Strokes (n)30
Time for Measurementapprox. 6 min.
Standard Deviation±20 to 30 %
Colour Changepale yellow ─> turquoise green
Temperature15 to 30° C
Absolute Humidity3 to 15 mg H2O / L
Reaction PrincipleEthylene oxide + Cr^VI ─>
Cr^III + various oxidation products
Cross SensitivityAlcohols, esters and aldehydes are also
indicated, but with different sensitivities.
It is impossible to differentiate between

Propylene oxide is also indicated, but
with a different sensitivity. Ethylene,
ketones and toluene in the TLV range
do not interfere.