Item #: 4HP
MFG: GasTec
UOM:Box of 10
$86.46 Was: $94.10
$86.46

Hydrogen Sulfide (H2S) Detection Tubes (0.25 to 20%)

Measures Hydrogen Sulphide With a Range of 0.25%-20% ppm.

  • Measuring Range: 0.25 to 20%
  • Number of Pump Strokes: 2, 1, 1/2
  • Correction Factor: 1/2, 1, 2
  • Sampling Time: 3 minutes per pump stroke
  • Detecting Limit: 0.1% (n=2)
  • Reaction Principle: H2S + CuSO4 → CuS + H2SO4
  • Coefficient of Variation: 10% (for 0.5 to 3 %), 5% (for 3 to 10 %)
  • Changes from Pale Blue to Blackish Brown
  • 3 Year Shelf Life
  • TLV-TWA, C (ACGIH) (ppm): 10
  • Store the tubes at cool and dark place.
  • Comes in a Box of 10