Item #: 4M
MFG: GasTec
UOM:Box of 10
$78.42 Was: $85.28
$78.42

Hydrogen Sulfide (H2S) Detection Tubes (12.5 to 500 ppm)

Measures Hydrogen Sulphide With a Range of 12.5-500 ppm.

  • Number of Pump Strokes: 2, 1, 1/2
  • Correction Factor: 1/2, 1, 2
  • Sampling Time: 45 seconds per pump stroke
  • Detecting Limit: 2.5 ppm (n=2)
  • Changes from White to Brown
  • Reaction Principle: H2S + Pb(CH3COO)2 → PbS + 2CH3COOH
  • Coefficient of Variation: 5% (for 25 to 250 ppm)
  • 3 Year Shelf Life
  • TLV-TWA, C (ACGIH) (ppm): 1
  • Store the tubes at cool and dark place.
  • Comes in a Box of 10