Draeger 8101531 Sulfur Dioxide 50/b Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 400 to 8,000 / 50 to 500 ppm
• Number of Strokes n: 1 / 10
• Time for Measurement: approx. 15 s / approx. 3 min
• Standard Deviation: ± 10 to 15 %
• Color Change: blue → yellow

Ambient Operating Conditions:

• Temperature: 0 to 50 °C
• Absolute Humidity: 1 to 15 mg H2O / L

Reaction Principle:

• SO2 + IO3 – → H2SO4 + I–

Cross Sensitivity:

• Hydrochloric acid is indicated in high concentrations.
• 10,000 ppm Hydrochloric acid corresponds to an indication of 150 ppm sulfur dioxide.
• No interference by:
  • 500 ppm nitrogen monoxide
  • 100 ppm nitrogen dioxide