Draeger 6728041 Hydrogen Sulfide 0.5/a Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 0.5 to 15 ppm
• Number of Strokes n: 10
• Time for Measurement: Approx.6 min
• Standard Deviation: ± 5 to 10 %
• Color Change: White → Pale Brown

Ambient Operating Conditions:

• Temperature: 0 to 40 °C
• Absolute Humidity: 3 to 30 mg H2O / L

Reaction Principle:

• H2S + Hg2+ ä HgS + 2 H+

Cross Sensitivity:

• No interference by:
  • 100 ppm sulfur dioxide
  • 100 ppm hydrochloric acid
  • 100 ppm ethyl mercaptan