1A 一氧化碳检测管
2012-11-05 10:29  点击:985
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一氧化碳检测管1A的详细介绍

一氧化碳检测管1A快速检测管是一种现场快速、直读测定气体浓度的检测手段,由一支内装显色指示剂、外壁印有浓度刻度的玻璃管组成,当被测气体通过管内指示剂时发生显色化学反应,测试人便可通过变色界线直接读出气体的浓度。具有数百种气体和不同的浓度范围,欢迎来电咨询。
Carbon monoxide            No.1A

CO

Performance
 

Measuring Range

5 to50 ppm

 

 

Sampling Rate

100mL/min(300mL)

 

 

Correction Factor

1

 

 

Sampling Time

3 minutes

Detecting Limit

 

Color Change

Yellow → Dark brown

Reaction Principle

CO + Na2Pd(SO3)2 → Pd + CO2 + SO2+Na2SO3

Coefficient of Variation 10% (for 5 to 10 ppm), 5% (for 10 to 50 ppm)
Shelf Life 3 Years
Corrections for temperature Unnecessary for 0 to 40

Correctionsfor humidity  Unnecessary for R.H.0 to 90%

 

 

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change color by itself

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

 

 

Other substance measurable with this detector tube

 

Calibration gas generation High pressure gas cylinder method


TLV-TWA TLV-STEL Explosive range
25 ppm - 12.5 to 74%
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