Draeger 8101211 Hydrogen Sulfide 2%/a Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 2 to 40 vol. %
• Number of Strokes n: 1
• Time for Measurement: Approx. 1 min
• Standard Deviation: ± 5 to 10 %
• Color Change: Pale Blue → Black

Ambient Operating Conditions:

• Temperature: 0 to 40 °C
• Absolute Humidity: 3 to 20 mg H2O / L

Reaction Principle:

• H2S + Cu2+ → CuS + 2 H+

Cross Sensitivity:

• No interference by:
  • 5,000 ppm sulfur dioxide
  • 1,000 ppm hydrochloric acid
  • 1,000 ppm ethyl mercaptan