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  • 产品名称：氨气气体检测管3HM Ammonia NH3

  • 产品型号：3HM
  • 产品厂商：日本GASTEC
  • 产品文档：
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简单介绍：
氨气气体检测管3HM Ammonia NH3，Measuring Range 0.05 to 1.6% 1.6 to 3.52% Number of Pump Strokes 1 1/2 Correction Factor 1 2.2 Sampling Time 1 minute氨气气体检测管价格，氨气气体检测管3HM Ammonia NH3
详情介绍：

氨气气体检测管3HM Ammonia NH3
Ammonia                         No.3HM

NH3

氨气气体检测管3HM Ammonia NH3

Performance
 

MeasuringRange

0.05 to 1.6%

1.6 to 3.52%

Number of Pump Strokes

1

1/2

CorrectionFactor

1

2.2

SamplingTime

1 minute per pumpstroke

DetectingLimit

0.01% (n=1)

ColorChange

Pink → Yellow

ReactionPrinciple

2NH3 + H2SO4 → (NH4)2SO42NH3 + H2SO4 → (NH4)2SO4

Coefficient ofVariation10% (for0.05 to 0.4 %), 5% (for 0.4 to 1.6 ppm)
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

Hydrazine

-

Plus error

Discolor to yellowstain

Pyridine

-

Plus error

Discolor to yellowstain

Amines other thanaromatic amines

-

Plus error

Discolor to yellowstain



Calibration gasgenerationDiffusion tubemethod



TLV-TWATLV-STELExplosive range
25ppm35ppm15 to 28%
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