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  • 产品名称:氧气检测管31B Oxygen

  • 产品型号:31B
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
氧气检测管31B Oxygen,Measuring Range 3 to 6% 6 to 24%,便携式多功能水质检测仪.应急检测箱. 便携式χ、γ辐射剂量仪,浊度计、色度计、气体检测仪、公共场所突发事件检测箱、有针对性地准备毒物快速检测仪器设备,如检气管、气体检测仪、化学毒物快速检测箱
详情介绍:

 

氧气检测管31B Oxygen
Oxygen                No.31B

O2

氧气检测管31B Oxygen

Performance
 

Measuring Range

3 to 6%

6 to 24%

Number of Pump Strokes

1

1/2

Correction Factor

1/2

1

Sampling Time

2 minutes per pumpstroke

Detecting Limit

2% (n=1)

Color Change

Black → White

Reaction Principle

O2 + 4TiCl3 +6H2O → 4TiO2+ 12HCl

Coefficient ofVariation5% (for6 to 24 %)
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

Carbonmonoxide

-

No effect

Nodiscoloration

Carbon dioxide

40%

Plus error

Nodiscoloration

Note:
If more than 40% carbon dioxide is coexisted, the tube reading willbe 1% higherthan
the true concentration.
(At 21% oxygen concentration tube 31B indicates22%.)

Othersubstance measurable with this detector tube


 
Calibration gasgenerationDynamic gas dilution method


 


TLV-TWATLV-STELExplosive range
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