二氧化碳CO2檢知管126UH CARBON DIOXIDE 5-50%

Tube No.
1. PERFORMANCE
1） Measuring range ：5-50％
Number of pump strokes 1/2（50ml）
2） Sampling time ：1.5 minutes/1/2 pump stroke
3） Detectable limit ：1％
4） Shelf life ：2 years
5） Operating temperature ：0～40℃
6） Reading ：Direct reading from the scale calibrated by1/2 pump stroke
7） Colour change ：White→Purple
2. RELATIVE STANDARD DEVIATION
RSD-low：10％　RSD-mid.：5％　RSD-high：5％
3. CHEMICAL REACTION
By reacting with alkali, PH indicator is discoloured.
CO2＋N2NNH2→H2NNHCOOH
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
5
10
15
20
25
30
35
40
45
50
%
50ml
GAS To pump
126UH CARBON DIOXIDE
Substance Interference Coexistence
Sulphur dioxide The accuracy of readings is not affected. The accuracy of readings is not affected.
Ammonia 〃〃
Hydrogen chloride 〃〃
Chlorine 〃〃
Hydrogen cyanide 〃〃
Nitrogen dioxide 〃〃
Hydrogen sulphide 〃〃
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