产品分类
PRODUCT CENTER

联系我们

销售电话：时经理

                18121126516

                021-64835787

  

产品详情
查看大图

  • 产品名称：11S 氮氧化物检测管 Nitrogen oxides

  • 产品型号：11S
  • 产品厂商：日本GASTEC
  • 产品文档：
你添加了1件商品 查看购物车
简单介绍：
11S 氮氧化物检测管 Nitrogen oxides，11S氮氧化物快速检测管 Nitrogen oxides NO+NO2，Measuring Range 5 to 10 ppm 10 to 250 ppm 250 to 625ppm，一氧化碳、氨气、氯气、二氧化氮、二氧化硫、甲醛、硫酸二甲酯、氟化氢、硫化氢、氯化氢、砷化氢、汞蒸气、苯、甲苯、二甲苯、甲醇、乙醇、乙烯、乙炔、乙醚、汽油、光气
详情介绍：

 

11S 氮氧化物检测管 Nitrogen oxides
Nitrogen oxides       No.11S

NO+NO2

11S 氮氧化物检测管 Nitrogen oxides

Performance
 

Measuring Range

5 to 10 ppm

10 to 250 ppm

250 to 625 ppm

Number of PumpStrokes

2

1

1/2

CorrectionFactor

1/2

1

2.5

Sampling Time

1 minute per pumpstroke

Detecting Limit

2 ppm (n=2)

Color Change

White → Palegreen

Reaction Principle

NO + Cr6++ H2SO4→NO2
NO2 + (C6H5)2NH 仺 Pale green product

Coefficient ofVariation

10% (for 10 to 40ppm), 5% (for 40 to 250 ppm)

ShelfLife2Years
Correctionsfor
temperature & humidity		Unnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences(NOTE)


Substance

Concentration

Interference

Change color by itself

Hydrogenchloride

50 ppm

Faintdemarcation

Produce Bluishpurple
at 10 ppm

Ozone

80 ppm

Faintdemarcation
2 layers

Pale brown

Sulfur dioxide,
Hydrogen sulfide

1/1

Plus error

Nodiscoloration

Methanol

400 ppm

Minus errorNodiscoloration
Othersubstance measurable with this detector tube


 
Calibration gasgenerationNO2:Permeation tube method
NO:High pressure gas cylinder method


 


TLV-TWATLV-STELExplosive range
NO2:3ppm
NO:25ppm		NO2:5ppm-
* 请输入您的名字，方便我们和您联系
* 请输入您的电话，方便客服及时解答您的问题
* 请输入您详情地址，方便详细提供当地的市场讯息