一氧化碳氣體檢測管1M Carbon monoxide    的詳細介紹   

 

 

一氧化碳氣體檢測管1M Carbon monoxide
Carbon monoxide                  No.1M

 

CO

 

 

  Performance 

Measuring Range

0.05 to 0.1%

0.1 to 2.0%

2.0 to 4.0%

Number of PumpStrokes

2

1

1/2

CorrectionFactor

1/2

1

2

Sampling Time

3 minutes per pumpstroke

Detecting Limit

0.01% (n=2)

Color Change

White → Palebrown

Reaction Principle

5CO + I2O5 +  H2S2O7  → I2Coefficient ofVariation10% (for0.1 to 0.5 %)， 5% (for 0.5 to 2 %)ShelfLife3YearsCorrectionsfor
temperature & humidityUnnecessaryStore the tubes at cool and darkplace.
Possible coexisting substances and theirinterferences(NOTE)

Substance

Concentration

Interference

Change color by itself

Acetylene

0.1%

Plus error

Produce blackishbrown stain.

Olefins

2/3 time

Plus error

Produce pale brownstain.

Butane

0.3%

Plus error

Produce pale brownfor whole layer

Propane

10%

Plus error

Produce pale brownfor whole layer

Hexane

0.1%

Plus error

Produce palebrown

Othersubstance measurable with this detector tube

Substance

Correction Factor

Pump Strokes

Measuring Range

Gasoline

1

1

0.1 to2%