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
| 參 考 價(jià) | 面議 |
產(chǎn)品型號(hào)111L
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更新時(shí)間:2021-01-04 15:02:33瀏覽次數(shù):197次
聯(lián)系我時(shí),請(qǐng)告知來自 儀表網(wǎng)簡(jiǎn)單介紹: 甲醇?xì)怏w檢測(cè)管111L MethanolMeasuring Range 20 to 40 ppm 40 to 1000 ppm Number of Pump Strokes 2 1 Correction Factor 1/2 1 Sampling Time 4 minutes per pump stroke Detect......
| Performance |
Measuring Range | 20 to 40 ppm | 40 to 1000 ppm |
Number of Pump Strokes | 2 | 1 |
Correction Factor | 1/2 | 1 |
Sampling Time | 4 minutes per pumpstroke | |
Detecting Limit | 5 ppm (n=2) | |
ColorChange | Pink → Paleblue | |
ReactionPrinciple | CH3OH + Cr6+ + H2SO4 → Cr3+ | |
| Coefficient ofVariation | 15% (for 40 to 200ppm), 10% (for 200 to 1000 ppm) | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity | Temperature correction is necessary | |
| Store the tubes at cool and darkplace. | ||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Alcohols | - | Plus error | Produce similar stainby themselves. |
| Othersubstance measurable with this detector tube |
Substance | Correction | PumpStrokes | MeasuringRange |
Ethylene Chlorohydrine | by scale | 3 | 20 to 200ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 200ppm | 250ppm | 6 to36% |
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商 鋪:上海豫東電子科技有限公司 http://m.liuyangwu.com/st58393/
主營(yíng)產(chǎn)品:快速氣體檢測(cè)管
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