Application Range
Standard Measuring Range: 10 to 200 / 1 to 20 ppm
Number of Strokes n: 1 / 10
Time for Measurement: approx. 20 sec./ approx. 3 min
Standard Deviation: ± 5 to 10 %
Color Change: white -> pale brown
Ambient Operating Conditions
Temperature: 0 to 40°C
Absolute Humidity: max 30 mg H2O / L
Reaction Principle
H2S + Pb2+ -> PbS + 2 H+
Cross Sensitivity
Should sulfur dioxide occur simultaneously in concentrations well above their TLV, this may result in plus errors of up to 50%. Sulfur dioxide alone is not indicated.
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