Hydrocarbons (Higher Class) Detection Tubes (100 to 3000 ppm)

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Item #: NXT-105
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$86.51 Was: $96.73
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Product Details

Hydrocarbons (Higher Class) Detection Tubes (100 to 3000 ppm)

Gastec Detection Tube No. 105 measures Hydrocarbons (Higher Class) with a Range of 100 to 3000 ppm.

  • Measuring Range: 100 to 200 ppm, 200 to 3000 ppm
  • No. of Pump Strokes: 2, 1
  • Correction Factor: 1/2, 1
  • Sampling Time: 1.5 minutes per pump stroke
  • Detecting Limit: 20 ppm (2 pump strokes)
  • Color Change: White to Blackish Brown
  • Corrections for temperature & humidity: Unnecessary
  • Reaction Principle: Hydrocarbon (C6 + C10) + I2O5 + H2S2O7 → I2
  • Relative Standard Deviation: 10 % (for 200 to 1000 ppm), 5 % (for 1000 to 3000 ppm)
  • 3 Year Shelf Life
  • Store the tubes at a cool and dark place.

Posible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Acetylene, Ethylene ≧ 0.1% + Blackish brown
Carbon monoxide ≧ 0.1% + Blackish brown
Organic solvents + Blackish brown

Substances measurable with this detector tube:

Substance: Correction Factor: No. of Pump Strokes: Measuring Range:
(ppm)
Octane 1.0
0.5
1
2
200 to 3000
100 to 200
Decane 2
1
1
2
400 to 6000
200 to 400
Nonane 1.3
0.65
1
2
260 to 3900
130 to 260
Hexane 0.8
0.4
1
2
160 to 2400
80 to 160
Heptane 0.9
0.45
1
2
180 to 2700
90 to 180

Hydrocarbons (Higher Class) Detection Tubes (100 to 3000 ppm)

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