Gastec 132LL便携式气体检测管三氯乙烯检测管 Cl2C:CHCl(0.125~8.8 ppm)

Indicator: 0.5 to 4.0 ppm
Measuring Range: 
+ 0.125 to 0.25 ppm, Number of Pump Strokes 2
+ 0.25 to 4.0 ppm, Number of Pump Strokes 1
+ 4.0 to 8.8 ppm, Number of Pump Strokes 1/2
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Purple
Reaction Principle: Cl2C:CHCl + PbO2 + H2SO4 → HCl, HCl + Basic Compound → Chloride
Coefficient of Variation: 10% (for 0.25 to 1.0 ppm), 5% (for 1.0 to 4.0 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range
0.125 to 0.25 ppm 0.25 to 4.0 ppm 4.0 to 8.8 ppm
Number of Pump Strokes
2 1 1/2
Correction Factor
1/2 1 2.2
Sampling Time 1.5 minutes per pump stroke
Detecting Limit 0.05 ppm (n=2)
Colour Change Yellow → Purple
Reaction Principle Cl2C:CHCl + PbO2 + H2SO4 → HCl
HCl + Basic Compound → Chloride
Coefficient of Variation 10% (for 0.25 to 1.0 ppm), 5% (for 1.0 to 4.0 ppm)
Shelf Life 2 Years
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 Concentration Interference Change colour by itself to
Hydrogen chloride, Chlorine, Bromine ≧ 1/2 time + Purple
Tetrachloroethylene ≧ 1/2 time + Purple
1,1,1-Trichloroethane ≦ 80 ppm No No ( ≦ 80 ppm)
Toluene, Xylene   No No
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
1,2-Dichloroethylene 1.5 1 0.375 to 6 ppm
Dichlorvos 0.45 2 0.11 to 1.8 ppm
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
10 ppm (2014) 25 ppm (2014) -

 

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