Application Range
Standard Measuring Range:
0.1 to 1.3 vol. % propane
0.1 to 1.3 vol. % butane
0.1 to 1.3 vol. % mixture (mix 1:1)
Number of Strokes n: 1
Time for Measurement: approx. 3 min
Standard Deviation: ± 15%
Color Change: orange -› brown green
Ambient Operating Conditions
Temperature: 0 to 40 °C
Absolute Humidity: 1 to 40 mg H2O / L
Reaction Principle
C3H8 / C4H10 + Cr6+ -> Cr3+ +div. oxidation products
Cross Sensitivity
The information regarding cross sensitivity only applies for measurements with a maximum of stroke. Hydrocarbons, hydrocarbons with olefin double bonds are indicated with different
discoloration and sensitivity. No influence on the display of
0.1 vol. % propane/butane at:
< 99.9 vol. % methane
< 5vol. % ethane
< 1vol. % carbon monoxide
< 500 ppm acetylene, ethylene
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