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  • 产品名称:二氧化硫检测管5Lb Sulphur dioxide SO2

  • 产品型号:5Lb
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
二氧化硫检测管5Lb Sulphur dioxide SO2,0.05 to0.1 ppm 0.1 to0.2 ppm 0.2 to5.0 ppm 5.0 to10.0 ppm,提供专业的检测仪器、防护手段及配套方案。二甲苯、甲醇、乙醇、乙烯、乙炔、乙醚、汽油、光气、氰化氢、丙烯腈、磷化氢等几十种
详情介绍:

二氧化硫检测管5Lb Sulphur dioxide SO2
Sulphur dioxide        No.5LB

SO2

二氧化硫检测管5Lb Sulphur dioxide SO2
Performance

 
MeasuringRange
0.05 to0.1 ppm
0.1 to0.2 ppm
0.2 to5.0 ppm
5.0 to10.0 ppm
Number of PumpStrokes
8
4
2
1
CorrectionFactor
1/4
1/2
1
2
Sampling Time
1 minute per pump stroke
DetectingLimit
0.01 ppm (n=8)
Colour Change
Yellowish green → Yellow
ReactionPrinciple
SO2 + BaCl2 +H2O 仺 BaSO3 + 2HCl
HCl+Base 仺 Chloride
Coefficient ofVariation
10% (for 0.2 to 1 ppm), 5% (for 1 to 5ppm)
Shelf Life
3 Years
Corrections for temperature &humidity
Unnecessary
Store the tubes at cool and darkplace.
 

Possible coexisting substances and theirinterferences(NOTE)


Substance

Concentration

Interference

Change color by itself

Carbon monoxide,
Nitric oxide

 

No

No

Carbondioxide

100%

+

Yellow

Nitrogen dioxide

1 ppm

Uncleardemarcation

Yellow

Hydrogen sulphide

 

No

No



Othersubstance measurable with this detector tube


 

 
Calibration gasgenerationPermeation tubemethod


 


TLV-TWATLV-STELExplosive range
2ppm5ppm-

 

 
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