Gastec 102L 快速己烷测量探测管CH3(CH2)4CH3(4-1200ppm)

Indicator: 50 to 1200 ppm
Measuring Range: 
+ 4 to 50 ppm, Number of Pump Strokes 5
+ 50 to 1200 ppm, Number of Pump Strokes 1
Sampling Time: 1.5 minutes per pump stroke
Colour Change: Orange → Dark green
Reaction Principle: CH3(CH2)4CH3 + K2Cr2O7 + H2SO4 → Cr3+
Coefficient of Variation: 10% (for 50 to 400 ppm), 5% (for 400 to 1200 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Manual tube

Performance
Measuring Range
4 to 50 ppm 50 to 1200 ppm
Number of Pump Strokes
5 1
Correction Factor
1/12 1
Sampling Time 1.5 minutes per pump stroke
Detecting Limit 1 ppm (n=5)
Colour Change Orange → Dark green
Reaction Principle CH3(CH2)4CH3 + K2Cr2O7 + H2SO4 → Cr3+
Coefficient of Variation 10% (for 50 to 400 ppm), 5% (for 400 to 1200 ppm)
Shelf Life 3 Years
Corrections for temperature & humidity Unnecessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Acetylene,   + Dark brown
Aromatic HCs   + Dark green
Alcohols, Esters, Ethers   + Dark green
Hydrogen sulphide   + Dark brown
Organic solvents (C3)   + Dark green
sulphur dioxide   + Dark green
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
Acrylonitrile Factor: 12 1 0.06 to 1.14%
Tert-Butyl alcohol Factor: 10 2 0.05 to 1.2%
Chlorocyclohexane Factor: 1 2 50 to 1200 ppm
Cyclohexane Factor: 1.2 1 60 to 1440 ppm
Tube 102L Reading (n=2) 50 100 200 400 600 800 1000 1200
Diisobutyl Ketone Conc. (%) 0.2 0.3 0.5 0.7 0.8 0.9 1.0 1.05
Calibration gas generation High pressure gas cylinder method
TLV-TWA TLV-STEL Explosive range
50 ppm(2014) - 1.1 to 7.5%
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