Item #: 8103391
MFG: Draeger

Methyl Bromide Detection Tubes 0.2/a (0.2 - 8 ppm)

For short-term measurements more than 160 Draeger-Tubes are available to measure the so-called spot concentrations of specific gases. A wide range of different gases and vapours can be detected and measured, e.g.: Determining and measuring concentration peaks, Measuring personal exposure in the inhalation area, Detecting leaks in pipelines, gas installations etc., and Air analysis in sewers, shafts and confined spaces.

Contains 10 tubes

Standard Measuring Range0.2 to 2 ppm / 2 to 8 ppm
Number of strokes n:5/2
Time for Measurementapprox. 8 min. / approx. 4 min.
Standard Deviation± 15 to 20 %
Color Changelight color ──> green
Temperature2 to 40°C
Absolute Humidity< 20 mg H2O / L
Reaction PrincipleCH3 Br + H2S2O7 + chromate ──> Br2
Br2 + o-Tolidine ──> green reaction product
Cross SensitivityVinyl chloride or carbon tetrachloride: <2
ppm no indication. Methyl bromide cannot
be measured in the presence of
perchloroethylene or trichloroethylene.
Sulfuryl fluoride, phosphine, ethylene oxide,
ammonia, hydrocyanic acid, chloropicrin and
formaldehyde below their AGW/TLV values
are not indicated. Ethylene dibromide is
indicated with 1.2 times its sensitivity.