Gas Detector Tube - Hydrogen Sulfide 1/d 1-200 ppm
Manufacturer: Draeger
Standard Measuring Range : 10 to 200 /1 to 20 ppm Number of Strokes (n) : 1 /10 Time for Measurement : app. 1 min/app. 10 min Standard Deviation : ¬± 15 % Colour Change : white ‚Äî> brown Ambient Operating Conditions Temperature : 2 to 40 °C Absolute Humidity : max. 40 mg H2O / L Reaction Principle H2 S + Cu2 ‚Äî> CuS + 2 H+ Cross Sensitivity 500 ppm hydrochloric acid, 500 ppm sulphur dioxide, 500 ppm ammonia or 100 ppm asine do not interfere with thew reading. Methyl mercaptan and ethyl mercaptan change the entire indicating lyer to a pale yellow. When mixed with hydrogen sulphide, the reading is extended by app. 30%.