Gastec 231 检测硫化物氟化物气体管 SO2F2(1~20 ppm,Pyrotec Pyrolyzer 860)

Indicator: 1 ~ 20 ppm
Measuring Range: 1 ~ 20 ppm
Sampling Time: 2 minute per pump stroke
Colour Change: Bluish purple→White
Reaction principle: SO2F2 → SO2, SO2 + l2 + H2O → HI + H2SO4
Nr. of tests: 4 tubes

Gas Sampler pump: GV-100S, GV-110S, Pyrotec Pyrolyzer 860

Detail

Catalog

Performance
Measuring Range 1 to 20 ppm
Number of Pump Strokes 3
Correction Factor 1
Sampling Time 2 minutes per pump stroke
Detecting Limit 0.4 (n=3)
Colour Change Bluish purple→White
Reaction Principle SO2F2 → SO2
SO2 + l2 + H2O → HI + H2SO4
Coefficient of Variation 10% (for 1 to 20ppm)
Shelf Life 2 Years
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Sulphur Dioxide ≧0.04 ppm + White at 0.05 ppm
Carbon Dioxide ≦5 % No No
Chloropicrin(CP) ≦50ppm No No (50ppm)
Methyl Isothiocyanate(MITC) ≦50ppm No No (50ppm)
Low Oxygen environment   + No
Calibration gas generation Vaper pressure method
TLV-TWA TLV-STEL Explosive range
5ppm(2014) 10ppm(2014) --

 

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