Draeger CH20601 Carbon Monoxide 10/b Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 100 to 3,000 / 10 to 300 ppm
• Number of Strokes n: 1/ 10
• Time for Measurement: Approx. 2 sec / 4 min
• 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 have no influence on the display of 10 ppm CO (respectively):
  • 200ppm n-octane, with carbon attachment tube (CH 24101)
  • 10000 ppm
  • 30 ppm benzene
  • 100 ppm hydrogen sulphide
  • 50 ppm sulphur dioxide
  • 15 ppm nitrogen dioxide
  • 40 ppm butadiene
  • 10 ppm CO + 100 ppm benzene: display approx. 30 ppm
  • 10 ppm CO + 40 ppm chloroform: display approx. 35 ppm
  • 10 (60) ppm acetylene: display 0 (70) ppm