Draeger CH29901 Carbon Monoxide 0.3%/b Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 0.3 to 7 vol. % CO
• Number of Strokes n: 1
• Time for Measurement: Approx. 30 sec
• Standard Deviation: ± 10 to 15 %
• Color Change: White → Brown Green

Ambient Operating Conditions:

• Temperature: 0 to 50 °C
• Absolute Humidity: max. 50 mg H2O / L

Reaction Principle:

• 5 CO + I2O5 → H2S2O7 → I2 + 5 CO2

Cross Sensitivity:

• The following do not influence the display of 0.3 vol. % CO:
  • 10000 ppm n-octane
  • 300 ppm benzene
  • 500 ppm hydrogen sulphide
  • 500 ppm sulphur dioxide
  • 500 ppm nitrogen dioxide
  • 300 ppm butadiene
  • 250 ppm chloroform
  • 3000 ppm acetylene result in a display of 0.3 vol. %