Gastec 5D 二氧化硫被动发现管SO2（0.2~100ppm）

制造商: Gastec
Model: 5D
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技术规格
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Indicator: 2~100ppm
Measuring Range: 0.2~100ppm
Sampling Hours: 1~10 hours
Colour Change: Green → Yellow
Reaction Principle: SO2 + BaCl2 + H2O → BaSO3 + 2HCl, HCl + Base → Chloride
Coefficient of Variation: 10% (for 2 to 10 ppm-hr),5% (for 10 to 100 ppm-hr)
Nr. of tests: 10

Details

sulphur dioxide

NO.5D

SO2

Performance

Measuring Range	0.2 to 100 ppm
Sampling Hours	1 to 10 hours
Detecting Limit	0.1 ppm (10 hours)
Colour Change	Green → Yellow
Reaction Principle	SO2 + BaCl2 + H2O → BaSO3 + 2HCl HCl + Base → Chloride
Coefficient of Variation	10% (for 2 to 10 ppm-hr),5% (for 10 to 100 ppm-hr)
Shelf Life	3 Years
Corrections for temperature & humidity	Unnecessary
Store the tubes at cool and dark place.