Ammonia (NH3) Detection Tubes (0.5 to 78 ppm)

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Item #: 3L
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$77.32 Was: $88.06
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Ammonia (NH3) Detection Tubes (0.5 to 78 ppm)

Gastec Low Range Detector Tube No 3L is used for the detection of Ammonia in air or the industrial areas and environmental atmospheric condition.

  • Measuring Range:
    • 0.5 to 1 ppm - 2 pump strokes
      Correction Factor: 1/2
    • 1 to 30 ppm - 1 pump stroke
      Correction Factor: 1
    • 30 to 78 ppm - 1/2 pump stroke
      Correction Factor: 2.6
  • Sampling Time: 45 seconds per pump stroke
  • Changes from Pink to Yellow
  • Corrections for temperature & humidity: Temperature correction is necessary
  • 3 Year Shelf Life
  • Reaction Principle: 2NH3 + H2SO4 → (NH4)2SO4
  • Store the tubes at a cool and dark place.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Amines ≧ 1/15 + Yellow (≧ 5 ppm)
Hydrazine + Yellow
Carbon dioxide ≧ 1% - (20%) No