Draeger Tube, Methyl Bromide 0.5/A 0.5-30ppm

$146.00
Availability: Call for Availability
Product Code: 8101671
Brand: DRAEGER SAFETY INC.
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Draeger Tube - Methyl Bromide 0.5/a
Order No. 81 01 671

Application Range
Standard Measuring Range 5 to 30 / 0.5 to 5 ppm
Number of Strokes n: 2 / 8
Time for Measurement: approx. 2 minutes / approx. 5 minutes
Standard Deviation: ± 15 to 20%
Color Change: white to blue green
   
Ambient Operating Conditions
Temperature: 2 to 40° C ~ 35.6 to 104° F
Absolute Humidity: max.  20 mg H2O / L
   
Reaction Principle
a) CH3Br + H2S2O7 → HBr
b) HBr + CrVI & → Br2
c) Br2 + o-tolidine → blue green reaction product
 
Cross Sensitivity
Vinyl chloride: 2 ppm no reading.

Carbon tetrachloride: 2 ppm no reading

Perchloroethylene and Trichloroethylene: 5 ppm changes the indicating layer to a light yellow.

1.2-dichloroethylene: 20 ppm result in a reading of approx. 3 ppm.

1.1-dichloroethylene: up to 2 ppm the sensitivity is the same as with methyl bromide.