产品列表PRODUCTS LIST
二氧化碳CO2气体测毒管126SG CARBON DIOXIDE 0.02-1.4% 126SH CARBON DIOXIDE 1-20% 气体检测管，迅速、简单、准确地对所有气体进行检测和测定的直读式气体检测管。直读式气体检测管
更新时间：2024-04-17
在线留言
二氧化碳CO2检测管126SH CARBON DIOXIDE 1-20%
Tube No.
1. PERFORMANCE
1） Measuring range ：1-20％
Number of pump strokes 1（100ml）
2） Sampling time ：1 minute/1 pump stroke
3） Detectable limit ：0.2％
4） Shelf life ：2 years
5） Operating temperature ：0～40℃
6） Reading ：Direct reading from the scale calibrated by 1 pump stroke
7） Colour change ：Pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low：5％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
By reacting with alkali, PH indicator is discoloured.
CO2＋2KOH→K2CO3＋H2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
%
12
4
6
8
10
12
14
16
18
20
GAS To pump
126SH CARBON DIOXIDE
Substance ppm Interference ppm Coexistence
Similar stain is produced,but if there
Nitrogen dioxide FIG.1 50 White stain is produced. 50 is more than 3％of CO2,the accuracy
of readings is not affected.
Sulphur dioxide FIG.2 3,000 Similar stain is produced. 3,000 Higher readings are given.
Hydrogen sulphide FIG.3 4,000 〃3,000 〃
0
10
5
Sulphur dioxide〔ppm〕�
FIG.2 Influence of Sulphur dioxide
Carbon dioxide
indicating value 〔％〕
2000 4000 6000
Coexistence
Interference
0
10
5
Nitrogen dioxide〔ppm〕�
FIG.1 Influence of Nitrogen dioxide
Carbon dioxide
indicating value 〔％〕
500 1000
Coexistence
Interference
0
10
5
Hyrogen sulphide〔ppm〕�
FIG.3 Influence of Hydrogen sulphide
Carbon dioxide
indicating value 〔％〕
2000 4000 6000
Coexistence
Interference
www.r-biopharm.com.cn
上一篇：126SG二氧化碳CO2气体测毒管126SG CARBON DIOXIDE 0.02-1.4%
下一篇：126UH二氧化碳CO2检知管126UH CARBON DIOXIDE 5-50%
返回列表>>相关产品
发邮件给我们：554328895@qq.com
