Ozone Detection Tubes (0.025 to 3 ppm)

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Item #: 18L
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$81.53 Was: $92.44
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Product Details

Ozone Detection Tubes (0.025 to 3 ppm)

Gastec Detection Tube No. 18L measures Ozone with a Range of 0.025 to 6 ppm.

  • Measuring Range:
    • 0.025 to 0.05 ppm
    • (0.05) to 0.6 ppm
    • 0.6 to 3 ppm
    • 3 to 6
  • Number of pump strokes: 10, 5, 1, 1/2
  • Correction Factor: 1/2, 1, 5, 10
  • Sampling Time: 1 minute per pump stroke
  • Detecting Limit: 0.01 ppm (10 pump strokes)
  • Changes from Blue to White
  • Corrections for temperature & humidity: Unnecessary
  • Reaction Principle: 2O3 + C16H10N2O2 → 2C8H5NO2 + 2O2
  • Relative Standard Deviation: 10% (for 0.05 to 0.2 ppm), 5% (for 0.2 to 0.6 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
Bromine ≧ 1 ppm + White
Hypochlorous acid + White
Nitrogen dioxide ≧ 1 ppm + White
Oxidant + White
Chlorine ≧ 10 ppm + (Bleaching) Unclear demarcation
Water vapor Relative Humidity:
100 %
+ Unclear demarcation

Ozone Detection Tubes (0.025 to 3 ppm)

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