UOM: Box of 10

Item #: 138
MFG: GasTec
Sale: $89.14 Was: $94.17
$89.14

Methylene Chloride Detection Tubes (20 to 500 ppm)

Measures Methylene Chloride With a Range of 20-500 ppm.

  • Measuring Range: 20 to 500ppm
  • Number of Pump Strokes: 2, 1
  • Correction Factor: 0.4, 1
  • Sampling Time: 3 minutes per pump stroke
  • Detecting Limit: 10 ppm (n=2)
  • Reaction Principle:
    • CH2:Cl2 + CrO3 + H2S2O7 → Cl2 Cl2+ 3,3,5,5-Tetramethylbenzidine → Holoquinone
  • Coefficient of Principle: 15% (for 50 to 100 ppm), 10% (for 100 to 500 ppm)
  • Changes from White to Pale Pink
  • 3 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

Other substance measurable with this detector tube:

Substance: Correction Factor: No. of Pump Strokes: Measuring Range:
Ethyl Chloride 0.3 1 15 to 150 ppm
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