酸度計(jì)測(cè)量?jī)x testo 206-pH1
testo 206-pH1 面議上海豫東電子科技有限公司
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上海豫東電子科技有限公司
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產(chǎn)品型號(hào)100A
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更新時(shí)間：2021-01-04 15:37:17瀏覽次數(shù)：171次
聯(lián)系我時(shí)，請(qǐng)告知來(lái)自 儀表網(wǎng)簡(jiǎn)單介紹： 液化石油氣檢測(cè)管100A Liquid petroleum gas(LPG)，Measuring Range 0.02 to 0.8%，中國(guó)**預(yù)防控制中心CDC有毒有害氣體應(yīng)急檢測(cè)箱，中國(guó)環(huán)保檢測(cè)監(jiān)測(cè)有毒有害氣體應(yīng)急檢測(cè)箱進(jìn)口，中國(guó)衛(wèi)生監(jiān)督有毒有害氣體應(yīng)急檢測(cè)箱進(jìn)口，代理日本GASTEC進(jìn)口大氣應(yīng)急監(jiān)測(cè)箱
| Performance |
Measuring Range | 0.02 to 0.8% |
Number of Pump Strokes | 1 |
Correction Factor | 1 |
Sampling Time | 2 minutes per pumpstroke |
Detecting Limit | 0.002% (n=1) |
Color Change | Orange → BlackishGreen |
Reaction Principle | LPG+Cr6++ H2SO4 → Cr3+ |
| Coefficient ofVariation | 10% (for 0.02 to 0.2%), 5% (for 0.2 to 0.8 %) |
| ShelfLife | 3 Years |
| Correctionsfor temperature & humidity | Unnecessary |
| Store the tubes at cool and darkplace. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Ketones | 0.2% | Plus error | Produce similar stainby themselves. |
Esters | 0.2% | Plus error | Produce similar stainby themselves. |
Hydrocarbons( 3) | - | Plus error | Produce similar stainby themselves. |
| Othersubstance measurable with this detector tube |
Substance | CorrectionFactor | PumpStrokes | MeasuringRange |
Propylene | 1 | 1 | 0.02 to 0.8 % |
| Xylene | by scale | 2 | 0.1 to 1.2% |
| Calibration gasgeneration | Staticgas dilution method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | - |
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