Hydrogen Sulfide (H2S) Detection Tubes (1 to 40%)

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Item #: 4HT
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$78.79 Was: $89.73
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Product Details

Hydrogen Sulfide (H2S) Detection Tubes (1 to 40%)

Gastec Detection Tube No. 4HT measures Hydrogen Sulfide with a Range of 1 to 40%.

  • Measuring Range:
    • 1 to 2%
    • 2 to 20%
    • 20 to 40%
  • Number of Pump Strokes: 2, 1, 1/2
  • Correction Factor: 1/2, 1 , 2
  • Sampling Time: 1.5 minutes per pump stroke
  • Detecting Limit: 0.2% (2 pump strokes)
  • Changes from Pale Blue to Blackish Brown
  • Corrections for temperature & humidity: Unnecessary
  • 3 Year Shelf Life
  • Reaction Principle: H2S + CuSO4 → CuS + H2SO4
  • Relative standard deviation: 10% (for 2 to 6 %), 5% (for 6 to 20 %)
  • Store the tubes at cool and dark place.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Mercaptans ≧ 10% + No
Sulfur dioxide ≧ 5% - No

Hydrogen Sulfide (H2S) Detection Tubes (1 to 40%)

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