Trichloroethylene Detection Tubes (0.05 to 2.5%)

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Item #: 132HH
MFG: GasTec

UOM: Box of 10

$96.47 Was: $103.13
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Trichloroethylene Detection Tubes (0.05 to 2.5%)

Gastec Detection Tube No. 132HH measures Trichloroethylene with a Range of 0.05 to 2.5 %.

  • Measuring Range:
    • 0.05 to 1.0 %
    • 1.0 to 2.5 %
  • Number of Pump Strokes: 1, 1/2
  • Correction Factor: 1, 2.5
  • Sampling Time: 45 seconds per pump stroke
  • Detecting Limit: 0.005% (1 pump stroke)
  • Changes from White to Yellowish Brown
    (Brown at demarcation)
  • Corretions for temperature & humidity: Temperature correction is necessary
  • 3 Year Shelf Life
  • Reaction Principle: Cl2C:CHCl + I2O5 + H2S2O7 → I2
  • Relative Standard Deviation: 10% (for 0.05 to 0.3 %), 5% (for 0.3 to 1 %)
  • Store the tubes at cool and dark place.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Acetylene, Carbon monoxide ≧ 0.1 % + Blackish brown
Ethylene ≧ 0.5 % + Blackish brown
Hydrocarbons (≧ C3) + Blackish brown
Toluene, Xylene ≦ 3 times No Brown
1,1,1-Trichloroethane + Yellowish brown (ring)
Tetrachloroethylene + Yellowish brown
Acetone ≦ 6 times No Brown

Other substance measurable with this detector tube

Substance Correction Factor No. of Pump Strokes Measuring Range
Tetrachloroethylene 1.5 1 0.075 to 1.5 %