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                      首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>281S氧/二氧化碳O2,CO2氣體檢測管281S OXYGEN CARBON DIOXIDE 2-10%

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

                      簡要描述:

                      氧/二氧化碳O2,CO2氣體檢測管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式氣體檢測管專業(yè)生產(chǎn)廠家,主要有氣體檢測管、一氧化碳檢測管、硫化氫檢測管、磷化氫檢測管、氨氣檢測管等產(chǎn)品。產(chǎn)品廣泛應(yīng)用于煤炭、冶金、倉儲、建材、化工、焦化、環(huán)保等行業(yè)。www.r-biopharm.com.cn

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

                      氧/二氧化碳O2,CO2氣體檢測管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 % =(O2) - 100
                      (O2)×(CO2) equation(2)
                      CO2 %= 10 - = 10 - 0.53 = 9.47
                      = 5.3 - 0.53 = 4.77
                      100
                      5.3 × 10
                      5.3 × 10
                      O2 % = 5.3 - 100
                      Where
                      (CO2):indication of carbon(%)
                      (O2) :corrected oxygen concentration(%)

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