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二氧化硫檢測管5DH

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    • 二氧化硫檢測管5DH sulphur dioxide SO2，Measuring Range 10 to 600 ppm Sampling Hours 1 to 5 hours Detecting Limit 1 ppm (5 hours) Color Change Bluish purple → White Reaction Principle二氧化硫檢測管價格 二氧化硫檢測管5DH sulphur dioxide的詳細介紹 二氧化硫檢測管5DH sulphur dioxide sulphur dioxide No.5DH SO2 Performance Measuring Range 10 to 600 ppm Sampling Hours 1 to 5 hours Detecting Limit 1 ppm (5hours) Color Change Bluishpurple → White Reaction Principle SO2 + I2+H2O → 2HI + H2SO4 Coefficient ofVariation 10%(for 50 to 600 ppmr) ShelfLife 3 Year Correctionsfor temperature & humidity Temperature correction isnecessary Store the tubes atcool and dark place. Possible coexisting substances and theirinterferences (NOTE) Substance Concentration Interference Change color by itself Nitrogendioxide - No Hydrogen sulphide + White Calibration gasgeneration Diffusion tubemethod TLV-TWA TLV-STEL Explosive range 2 ppm 5 ppm -

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