一氧化碳氣體檢測管1H Carbon monoxide    的詳細介紹一氧化碳氣體檢測管1H Carbon monoxide
Carbon monoxide                  No.1H 

CO

 

 

  Performance 

Measuring Range

0.1 to 0.2%

0.2 to 5.0%

5.0 to10.0%

Number of PumpStrokes

2

1

1/2

CorrectionFactor

1/2

1

2

Sampling Time

1.5 minutes per pumpstroke

Detecting Limit

0.02% (n=2)

Color Change

White → Blackishbrown

Reaction Principle

5CO + I2O5 +  H2S2O7  → I2Coefficient ofVariation10%(for 0.2 to 1.0 %)， 5% (for 1.0 to 5.0 %)ShelfLife3YearsCorrectionsfor
temperature & humidityUnnecessaryStore the tubes at cool and darkplace.
Possible coexisting substances and theirinterferences(NOTE)

Substance

Concentration

Interference

Change color by itself

Acetylene

0.3%

Plus error

Produce blackishbrown stain.

Olefins

2/3 time

Plus error

Produce brownstain.

Butane

1%

Plus error

Produce pale brownfor whole layer

Propane

20%

Plus error

Nodiscoloration

Hexane

0.3%

Plus error

Produce pale brownfor whole layer