Draeger 6728241 Ethylene Oxide 25/a Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 25 to 500 ppm
• Number of Strokes n: 30
• Time for Measurement: Approx. 6 min
• Standard Deviation: ± 20 to 30 %
• Color Change: Pale Yellow → Turquise Green

Ambient Operating Conditions:

• Temperature: 15 to 30 °C
• Absolute Humidity: 3 to 15 mg H2O / L

Reaction Principle:

• Ethylene oxide + CrVI → CrIII + various oxidation products

Cross Sensitivity:

• Alcohols, esters and aldehydes are also indicated, but with different sensitivities.
• It is impossible to differentiate between them.
• Propylene oxide is also indicated, but with a different sensitivity.
• Ethylene, ketones and toluene in the TLV range do not interfere.