Phosphine (PH3) Detection Tubes (200 to 5500 ppm)

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Item #: 7H
MFG: GasTec
UOM:Box of 10
$96.67 Was: $99.57
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Phosphine (PH3) Detection Tubes (200 to 5500 ppm)

Measures Phosphine With a Range of 200 to 5500 ppm.

  • Number of Pump Strokes: 1, 1/2
  • Correction Factor: 1, 2.2
  • Sampling Time: 1 minute per pump stroke
  • Detecting Limit: 5 ppm (n=1)
  • Changes from Yellow to Dark Brown
  • Reaction Principle: Phosphine reacts with palladium to produce blackish discolouration
  • Coefficient of Variation: 10% (for 200 to 800 ppm), 5% (for 800 to 2500 ppm)
  • 2 Year Shelf Life
  • TLV-TWA, C (ACGIH) (ppm): 0.3
  • Store the tubes at cool and dark place.
  • Comes in a Box of 10