1.2-Dichloroethylene Detection Tubes (5 to 250 ppm)

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Item #: 139
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$96.47 Was: $103.13
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Product Details

1.2-Dichloroethylene Detection Tubes (5 to 250 ppm)

Gastec Detection Tube No. 139 measures 1,2-Dichloroethylene with a Range of 5 to 250 ppm.

  • Measuring Range:
    • 5 to 10 ppm
    • 10 to 100 ppm
    • 100 to 250 ppm
  • Number of Pump Strokes: 2, 1, 1/2
  • Correction Factor: 1/2, 1, 2.5
  • Sampling Time: 45 seconds per pump stroke
  • Detecting Limig 1 ppm (2 pump strokes)
  • Changes from Yellow to Reddish Purple
  • Corrections for temperature & humidity: Temperature correction is necessary
  • Relative Standard Deviation: 10% (for 10 to 20 ppm), 5% (for 20 to 100 ppm)
  • 2 year Shelf Life (in the refrigerator)
  • Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
  • Reaction Principle:
    • ClCH:CHCl + PbO2 + H2SO4 → HCl
    • HCl + Base → Chloride

Possible coexisting substances and their intereferences:

Substance Interference Changes color by itself to
Halogens + Reddish purple
Hydrogen chloride + Reddish purple
Tetrachloroethylene + Reddish purple
Trichloroethylene + Reddish purple
Nitric oxide No No
Nitrogen oxides No No

1.2-Dichloroethylene Detection Tubes (5 to 250 ppm)

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