Gastec 133D 四氯乙烯被动发现管Cl2C:CCl2(3~150 ppm)

Indicator: 25 ~ 150 ppm
Measuring Range: 3 ~ 150 ppm
Sampling Hours: 1 to 8 hours
Colour Change: Yellow → Purple
Reaction Principle: Cl2C:CCl2 + PbO2 + H2SO4 → HCl, HCl + Base → Chloride 
Coefficient of Variation: 15% (for 25 to 50 ppm-hr), 10% (for 50 to 150 ppm-hr)
Nr. of tests: 10

Detail

Catalog

Performance
Measuring Range 3 to 150 ppm
Sampling Hours 1 to 8 hours
Colour Change Yellow → Purple
Reaction Principle Cl2C:CCl2 + PbO2 + H2SO4HCl
HCl + Base → Chloride
Coefficient of Variation 15% (for 25 to 50 ppm-hr), 10% (for 50 to 150 ppm-hr)
Shelf Life 1 Year
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
Possible coexisting substances and their interferences (NOTE)
Substance Interference Change colour by itself to
Hydrogen chloride, Chlorine + Purple
1,2-Dichloroethylene, Trichloroethylene + Purple
Toluene, Xylene No No
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
25 ppm(2014) 100 ppm(2014) -

 

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