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氧/二氧化碳O2,CO2氣體檢測(cè)管281S OXYGEN CARBON DIOXIDE 2-10%

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產(chǎn)品型號(hào)281S

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更新時(shí)間:2025-07-23 21:03:24瀏覽次數(shù):1882次

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氧/二氧化碳O2,CO2氣體檢測(cè)管281S OXYGEN CARBON DIOXIDE 2-10%(O2),1-20%(CO2)必發(fā)生化是一家集研發(fā)、生產(chǎn)、銷售為一體的各種比長(zhǎng)式氣體檢測(cè)管專業(yè)生產(chǎn)廠家,主要有氣體檢測(cè)管、一氧化碳檢測(cè)管、硫化氫檢測(cè)管、磷化氫檢測(cè)管、氨氣檢測(cè)管等產(chǎn)品。產(chǎn)品廣泛應(yīng)用于煤炭、冶金、倉(cāng)儲(chǔ)、建材、化工、焦化、環(huán)保等行業(yè)。www.r-biopharm.com.cn

氧/二氧化碳O2,CO2氣體檢測(cè)管281S OXYGEN CARBON DIOXIDE 2-10%(O2),1-20%(CO2)


1. PERFORMANCE
1) Measuring range:
Oxygen 2-10 %
Carbon dioxide 1-20 %
Number of pump strokes 1(100ml)
2) Sampling time :8 minutes/1 pump stroke
3) Detectable limit :0.001 %
4) Shelf life :1.5 years
5) Operating temperature :0~40℃
6) Temperature compensation:
Oxygen Necessary(See "Temperature CorrectionTable")
Carbon dioxide No temperature correction is necessary.
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change:
Oxygen White→Brown
Carbon dioxide Pink→Yellow
2. RELATIVE STANDARD DEVIATION
Oxygen RSD-low:10% RSD-mid.:10% RSD-high:10%
Carbon dioxide RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Oxygen:Oxygen reacts with alkaline pyrogallol.
Carbon dioxide:CO2+2KOH→K2CO3+H2O
4. CALIBRATION OF THE TUBE
Oxygen?Carbon dioxide STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
Ordinary combustion gases do not affect the reading value and discolouration.
5. CONCENTRATION CORRECTION
On account of interaction of indication between carbon dioxide and oxygen, the true concentration is calculated
by the following equations.
[EXANPLE]
At the measuring temperature of 30℃, when oxygen indication is 5%(temperature corrected value 5.3%)and
carbon dioxide indication is 10%, each true concentration is calculated as bellow.
Accordingly true concentration :
Carbon dioxide 9.47%
Oxygen 4.77%
OXYGEN CARBON DIOXIDE DETECTOR TUBE XYGEN DETECTOR TUBE
23456789
10
4
2 1
6
8
10
12
14
16
18
20
%
GAS To pump
Tube No.
281S OXYGEN?CARBON DIOXIDE
TEMPERATURE CORRECTION TABLE
Scale True Oxygen Concentration (%)
Readings 10℃ 20℃ 30℃ 40℃
(%) (50°F) (68°F) (86°F) (104°F)
10.0 9.7 10.0 10.3 10.5
9.0 8.7 9.0 9.3 9.5
8.0 7.7 8.0 8.3 8.5
7.0 6.7 7.0 7.3 7.5
6.0 5.7 6.0 6.3 6.5
5.0 4.7 5.0 5.3 5.5
4.0 3.9 4.0 4.2 4.5
3.0 2.9 3.0 3.1 3.3
2.0 2.0 2.0 2.0 2.1
CO2 %=(CO2)- 100
(O2)×(CO2) equation(1)
O2 %?。剑∣2)?。?100
(O2)×(CO2) equation(2)
CO2 %= 10?。?= 10?。?.53 = 9.47
= 5.3?。?.53 = 4.77
100
5.3 × 10
5.3 × 10
O2 %?。健?.3 - 100
Where
(CO2):indication of carbon(%)
(O2) :corrected oxygen concentration(%)

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