Methyl Bromide Detection Tubes (1 to 36 ppm)

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Item #: 136LA
MFG: GasTec

UOM: Box of 10

$92.07 Was: $98.43
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Methyl Bromide Detection Tubes (1 to 36 ppm)

Gastec Detection Tube No. 136LA measures Methyl Bromide with a range of 1-36 ppm.

  • Measuring Range: 1 to 18 ppm, 18 to 36 ppm
  • Number of Pump Strokes: 2, 1
  • Correction Factor: 1, 2
  • Sampling Time: 1.5 minutes per pump stroke
  • Detecting Limit: 0.2 ppm (2 pump strokes)
  • Changes from White to Yellow
  • Corrections for temperature & humidity: Unnecessary
  • Relative Standard Deviation:
  • Reaction Principle: 10% (for 1 to 6 ppm), 5% (for 6 to 18 ppm)
  • 2 Year Shelf Life
  • Reaction Principle:
    • CH3Br + I2O5 + H2S2O7 → Br2
    • Br2 + o-Tolidine → Yellow product
  • 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:
    (ppm)
    n-Butyl Bromide 2.4
    1.0
    1
    2
    2.4 to 43.2
    1 to 18
    n-Propyl Bromide 1.0 2 1 to 18
    Chloro bromomethane 0.7 2 0.7 to 12.6