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

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Item #: 4HP
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$83.00 Was: $94.10
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Product Details

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

Gastec Detection Tube No. 4HP measures Hydrogen Sulfide with a Range of 0.25-20%.

  • Measuring Range:
    • 0.25 to 0.5%
    • (0.5) to 10%
    • 10 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% (2 pump strokes)
  • Reaction Principle: H2S + CuSO4 → CuS + H2SO4
  • Relative Standard Deviation: 10% (for 0.5 to 3 %), 5% (for 3 to 10 %)
  • Color Change: Pale Blue to Blackish Brown
  • Corrections for temperature & humidity: Unnecessary
  • 3 Year Shelf Life
  • Store the tubes at cool and dark place.
  • Comes in a Box of 10

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Ammonia Two layers (Blackish brown & dark blue) Dark blue
Mercaptans ≧ 5% + No
Sulfur dioxide ≧ 2.5% - No

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

There are no reviews yet.