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  • 产品名称：硫化氢+二氧化硫气体检测管 45H

  • 产品型号：45H
  • 产品厂商：日本GASTEC
  • 产品文档：
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简单介绍：
硫化氢+二氧化硫气体检测管 45H，硫化氢+二氧化硫45H Hydrogen sulphide + sulphur dioxide，Measuring Range 0.02 to 0.2% 0.2 to 4.0% 4.0 to 8.0% Number of Pump Stroke 2 to 10 1 1/2 Correction Factor 1/2 to 1/10 1 2
详情介绍：

 

硫化氢+二氧化硫气体检测管 45H
Hydrogen sulphide + sulphurdioxide

                               No.45H

H2S+SO2

硫化氢+二氧化硫气体检测管 45H

Performance
 

MeasuringRange

0.02 to 0.2%

0.2 to 4.0%

4.0 to 8.0%

Number of PumpStroke

2 to 10

1

1/2

CorrectionFactor

1/2 to 1/10

1

2

SamplingTime

1 minute per pumpstroke

DetectingLimit

0.002% (n=10)

ColorChange

Brown → PaleYellow

ReactionFormula

H2S + I2 → 2HI + S
SO2 + I2 +H2O → 2HI + H2SO4

Coefficient ofVariation

10% (for 0.2 to 1 %),5% (for 1 to 4 %)

ShelfLife3Years
Correctionsfor
temperature & humidity		Unnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences(NOTE)


Substance

Concentration

Interference

Change color by itself

Reducing gases for
Sulfur compounds		-

Plus error

Discolor pale yellowstain



Othersubstance measurable with this detector tube


 
Calibration gasgenerationHigh pressure gascylinder method


 


TLV-TWATLV-STELExplosive range
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