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首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>126SA二氧化碳氣體檢知管126SA Carbon dioxide 0.1-5.2%

二氧化碳氣體檢知管126SA Carbon dioxide 0.1-5.2%

簡要描述:

二氧化碳氣體檢知管126SA Carbon dioxide 0.1-5.2%,有關氣體濃度表示方法及換算,重量、體積比表示方法:即每立方米氣樣中所含被測氣體物質的毫克數(毫克/立方米 mg/m3 )。體積比表示法:即一定體積氣樣中所含被測氣體物質所占的體積百分數(%)。在微量分析中通常以ppm表示, 1% = 10000ppm

更新時間:2024-12-18

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二氧化碳氣體檢知管126SA Carbon dioxide 0.1-5.2%

二氧化碳氣體檢知管126SA Carbon dioxide 0.1-5.2%

1. PERFORMANCE
1) Measuring range :0.2-5.2% 0.1-2.6%
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :5 minutes/1 pump stroke
3) Detectable limit :100 ppm(100mr)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Pale blue→Pale pink
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+2NaOH→NaCO3+H2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.5
0.4
0.3
0.2
0.1
%
100ml
GAS To pump
Tube No.
126SA CARBON DIOXIDE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
3.5 5.5 4.6 3.5 3.2 2.8
3.0 4.7 3.9 3.0 2.7 2.4
2.5 3.9 3.2 2.5 2.2 2.0
2.0 3.1 2.6 2.0 1.8 1.6
1.5 2.4 1.9 1.5 1.4 1.2
1.0 1.6 1.3 1.0 0.9 0.8
0.8 1.3 1.0 0.8 0.7 0.7
0.5 0.8 0.7 0.5 0.5 0.4
0.3 0.5 0.4 0.3 0.3 0.3
0.1 0.2 0.1 0.1 0.1 0.1
Substance Interference ppm Coexistence
Hydrogen sulphide Similar stain is produced. 100 Higher readings are given.
Chloride 〃100 〃
Hydrogen cyanide 〃200 〃
Sulphur dioxide 〃500 〃
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Temperature corrected value.
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