Hydrogen Sulfide 2/b, 2 - 60 PPM, Part # 8101961, 10 Tests 

Application Range

Standard Measuring Range: 2 to 60 ppm

Number of Strokes n: 1

Time for Measurement: approx. 30 s

Standard Deviation: ± 5 to 10 %

Color Change: white š pale brown

Ambient Operating Conditions

Temperature: 0 to 40 °C

Absolute Humidity: max. 20 mg H2O / L

Reaction Principle

H2S + Pb2+ š PbS + 2 H+

Cross Sensitivity

Hydrochloric acid, mercaptan and sulfur dioxide in the TLV range does not interfere.

Extension of the Measuring Range

Using n = 2, divide the reading by 2; the measuring range will be 1 to 30 ppm.