Sulfur Dioxide (SO2) Detection Tubes (20 to 3600 ppm)

There are no reviews yet. | Write a review
Item #: 5M
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$85.33 Was: $93.91
View additional buying options
Product Details

Sulfur Dioxide (SO2) Detection Tubes (20 to 3600 ppm)

Gastec Detection Tube No. 5M measures Sulfur Dioxide with a Range of 20 to 3600 ppm.

  • Measuring Range:
    • 20 to 100 ppm
    • 100 to 1800 ppm
    • 1800 to 3600 ppm
  • Number of Pump Strokes: 4, 1, 1/2
  • Correction Factor: 1/5, 1, 2
  • Sampling Time: 45 seconds per pump stroke
  • Detecting limit: 4 ppm (4 pump strokes)
  • Changes from Purple to Yellow
  • Corrections for temperature & humidity: Temperature correction is necessary
  • Reaction Principle:
    • SO2 + BaCl2 + H2O → BaSO3 + 2HCl
    • HCl + Base → Chloride
  • Relative Standard Deviation: 10% (for 100 to 600 ppm), 5% (for 600 to 1800 ppm)
  • 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
Nitrogen sulfide ≧ 1/10 + White (≧ 600 ppm)
Hydrogen sulfide ≧ 10 times - No
Carbon dioxide No No
Carbon monoxide No No
Nitric oxide No No

Sulfur Dioxide (SO2) Detection Tubes (20 to 3600 ppm)

There are no reviews yet.