Item #: 138L
MFG: GasTec
UOM:Box of 10
$93.88 Was: $96.34
$93.88

Methylene Chloride Detection Tubes (4 to 150 ppm)

Measures Methylene Chloride With a Range of 4-150 ppm.

  • Number of Pump Strokes: 4, 2, 1
  • Correction Factor: 0.4, 1, 2.5
  • Sampling Time: 3 minutes per pump stroke
  • Detecting Limit: 5 ppm (n=2)
  • Changes from White to Pale Pink
  • Reaction Principle:
    • CH2:Cl2 + CrO3 + H2S2O7 → Cl2 Cl2+ 3,3,5,5-Tetramethylbenzidine → Holoquinone
  • Coefficient of Variation: 15% (for 10 to 20 ppm), 10% (for 20 to 60 ppm)
  • 2 Year Shelf Life
  • TLV-TWA, C (ACGIH) (ppm): 50
  • Store the tubes at cool and dark place.
  • Comes in a Box of 5 pre tubes and 5 detector tubes