Draeger Hydrogen Sulphide 1/c (1 to 200ppm) Short Term Measuring Tubes ( Pack of 10)

Description

Application Range:

• Standard Measuring Range: 10 to 200 / 1 to 20 ppm
• Number of Strokes n: 1 / 10
• Time for Measurement: Approx. 20 sec / 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.