Application Range
Standard Measuring Range: 5 to 60 vol. %
Number of Strokes (n): 1
Time for Measurement: approx. 2 min
Standard Deviation: ±10 to 15%
Color Change: white -› violet
Ambient Operating Conditions
Temperature: 0 to 40°C
Absolute Humidity: max. 50 mg H2O / L
Reaction Principle
CO2 + N2H4 -> NH2-NH-COOH
Cross Sensitivity
Hydrogen sulphide is not indicated near the limit value. Sulfur dioxide is indicated with approx. half sensitivity.