Application Range
Standard Measuring Range: 10 to 500 ppm
Number of Strokes n: 3
Time for Measurement: approx. 40 s
Standard Deviation: ± 15 to 20 %
Color Change: grey -> orange
Ambient Operating Conditions
Temperature: 15 to 40 °C
Absolute Humidity: 5 to 12 mg H2O / L
Reaction Principle
a) CCI2=CCI2 + MnO4– ¨ CI2
b) CI2 + o-Tolidine -> orange reaction product
Cross Sensitivity
Other chlorinated hydrocarbons, free halogens and hydrogen halides are also indicated. Petroleum hydrocarbon vapors result in a shortened reading.
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