Gastec 132HA 快速三氯乙烯检测管 Cl2C:CHCl(20~1300 ppm)

Indicator: 50 to 500 ppm
Measuring Range: 
+ 20 to 50 ppm, Number of Pump Strokes 2
+ 50 to 500 ppm, Number of Pump Strokes 1
+ 500 to 1300 ppm, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: Yellow → Reddish Purple
Reaction Principle: Cl2C:CHCl + PbO2 + H2SO4 → HCl, HCl + Basic Compound → Chloride
Coefficient of Variation: 10% (for 50 to 100 ppm), 5% (for 100 to 500 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range
20 to 50 ppm 50 to 500 ppm 500 to 1300 ppm
Number of Pump Strokes
2 1 1/2
Correction Factor
0.4 1 2.6
Sampling Time 45 seconds per pump stroke
Detecting Limit 4 ppm (n=2)
Colour Change Yellow → Reddish Purple
Reaction Principle Cl2C:CHCl + PbO2 + H2SO4 → HCl
HCl + Basic Compound → Chloride
Coefficient of Variation 10% (for 50 to 100 ppm), 5% (for 100 to 500 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
Nitric Oxide, Nitrogen dioxide   No No
Hydrogen chloride, Chlorine, Bromine   + Reddish purple
Acetone ≦ 200 ppm No No
1,1,1-Trichloroethane   + Reddish purple ( ≧ 3000 ppm)
Unsaturated halogenated hydrocarbons   + Reddish purple
Aromatic hydrocarbons ≧ 100 ppm No
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
1,2-Dichloroethylene 1.6 1 80 to 800 ppm
1,3-Dichloropropene 0.9 2 45 to 450 ppm
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
10 ppm 25 ppm -

 

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