Gastec 132HH 快速三氯乙烯检测管 Cl2C:CHCl(0.05~2.5%)

Indicator: 0.05 to 1.0%
Measuring Range: 
+ 0.05 to 1.0%, Number of Pump Strokes 1
+ 1.0 to 2.5%, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: White → Yellowish brown
Reaction Principle: Cl2C:CHCl+ I2O5 + H2S2O7 → I2
Coefficient of Variation: 10% (for 0.05 to 0.3 %), 5% (for 0.3 to 1 %)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range
0.05 to 1.0% 1.0 to 2.5%
Number of Pump Strokes
1 1/2
Correction Factor
1 2.5
Sampling Time 45 seconds per pump stroke
Detecting Limit 0.005% (n=1)
Colour Change White → Yellowish brown (dark brown at demarcation)
Reaction Principle Cl2C:CHCl+ I2O5 + H2S2O7 → I2
Coefficient of Variation 10% (for 0.05 to 0.3 %), 5% (for 0.3 to 1 %)
Shelf Life 3 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
Carbon Monoxide 0.1% + Dark brown
Acetylene 0.1% + Dark brown
Acetone 6 times No Brown
Ethylene 0.5% + Dark brown
Toluene, Xylene 3 times No Brown
HCs (C3)   + Dark brown
Tetrachloroethylene   + Yellowish brown
1,1,1-Trichloroethane   + Yellowish brown(ring)
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
Tetrachloroethylene 1.5 1 0.075 to 1.5%
Calibration gas generation Static gas dilution method
TLV-TWA TLV-STEL Explosive range
10 ppm(2014) 25 ppm(2014) -
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