Sulfur Dioxide (SO2) Detection Tubes (0.1 to 25 ppm)

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Item #: 5LC
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$78.79 Was: $89.73
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Product Details

Sulfur Dioxide (SO2) Detection Tubes (0.1 to 25 ppm)

Gastec Detection Tube No. 5LC measures Sulfur Dioxide with a Range of 0.1 to 25 ppm.

Performance

Measuring Range: 0.1 to 0.25 ppm (0.25) to 10 ppm 10 to 25 ppm
No. of Pump Strokes: 4 (400 ml) 2 (200 ml) 1 (100 ml)
Correction Factor: 0.4 1 2.5
Sampling Time: 8 min 4 min 2 min

  • Detecting limit: 0.02 ppm (4 pump strokes)
  • Color change: Bluish purple to White
  • Corrections for temperature & humidity: Temperature correction is necessary
  • Relative Standard Deviation: 10 % (for 0.25 to 2 ppm), 5 % (for 2 to 10 ppm)
  • Shelf life: 3 years
  • Reaction principle: SO2 + I2 + H2O → H2SO4 + 2Hl
  • This detector tube is suitable for measuring sulfur dioxide coexisting with nitrogen, carbon dioxide, or sulfur hexafluoride.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Hydrogen sulfide ≧ 1/10 + White, Unclear demarcation
Nitrogen dioxide - (Unclear demarcation) Brown (approx. 1 mm long from the inlet)

Sulfur Dioxide (SO2) Detection Tubes (0.1 to 25 ppm)

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