Sulfur Dioxide (SO2) Detection Tubes (0.05 to 8.0%)

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Item #: 5H
MFG: GasTec

UOM: Box of 10

$101.25 Was: $104.29
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Sulfur Dioxide (SO2) Detection Tubes (0.05 to 8.0%)

Gastec Detection Tube No. 5H measures Sulfur Dioxide with a Range of 0.05 to 8 %.

  • Measuring Range:
    • 0.05 to 0.5 %
    • 0.5 to 4 %
    • 4 to 8 %
  • Number of Pump Strokes: 2 to 10, 1, 1/2
  • Correction Factor: 1/2 to 1/10, 1, 2
  • Sampling Time: 45 seconds per pump stroke
  • Detecting Limit: 0.01 % (10 pump strokes)
  • Changes from Orange to Green
  • Corrections for temperature & humidity: Unnecessary
  • Reaction Principle: SO2 + Cr6+ → Cr3+
  • Relative Standard Deviation: 10 % (for 0.5 to 1 %), 5 % (for 1 to 4 %)
  • 3 Year Shelf Life
  • Store the tubes at cool and dark place.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Hydrogen sulfide ≧ 500 ppm + No
Carbon dioxide No No
Carbon monoxide No No
Nitrogen dioxide No No