Gastec 1LKC 一氧化碳快速检测管CO(5~100 ppm)

Indicator: 
Measuring Range: 5 to 100 ppm, Number of Pump Strokes 3
Sampling Time:  2  minutes per pump stroke
Colour Change: White → Pale brown / Pale green (may produce dual layers)
Reaction Principle: 5CO + I2O5 + H2S2O7 → I2
Coefficient of Variation: 5% (for 5 to 100 ppm)
Nr. of tests: 5
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range 5 to 100 ppm
Number of Pump Strokes 3
Correction Factor 1
Sampling Time 2 minutes per pump stroke
Detecting Limit 2 ppm (n=3)
Colour Change White → Pale brown / Pale green (may produce dual layers)
Reaction Principle 5CO + I2O5 + H2S2O7 → I2
Coefficient of Variation 5% (for 5 to 100 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
Hydrogen 10% 15% No discoloration
Paraffinic hydrocarbons C6 or less (RH0%) 15% No Pale brown when higher than 15%
Ethylene(RH0%) 2% No Pale brown when higher than 3%
Propylene(RH0%) 15% No Pale brown when higher than 15%
Acetylene(RH0%) 200ppm No Pale brown when higher than 250ppm
Carbon dioxide,Nitrogen oxides   No No discoloration
Hydrogen sulphide   No No discoloration
Calibration gas generation High pressure gas cylinder method
TLV-TWA TLV-STEL Explosive range
25 ppm - 12.5 to 74%

 

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