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
| 參 考 價(jià) | 面議 |
產(chǎn)品型號(hào)14R
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更新時(shí)間：2021-01-04 12:08:50瀏覽次數(shù)：94次
聯(lián)系我時(shí)，請(qǐng)告知來(lái)自 儀表網(wǎng)簡(jiǎn)單介紹： *鹽酸檢測(cè)管14R Hydrogen chloride(for Low Humidity)，Measuring Range 50 to 200 ppm 200 to 5000 ppm Number of Pump Strokes 2 to 4 1 Correction Factor 1/2 to 1/4，)*......
| Performance |
Measuring Range | 50 to 200 ppm | 200 to 5000 ppm |
|
Number of Pump Strokes | 2 to 4 | 1 |
|
Correction Factor | 1/2 to 1/4 | 1 |
|
Sampling Time | 45 seconds per pump stroke | ||
Detecting Limit | 10 ppm (n=4) | ||
Color Change | Purple → Pale pink | ||
Reaction Principle | Hydrogen chloride reacts with indicator to produce pale pink stain. | ||
| Coefficient of Variation | 10% (for 200 to 800 ppm), 5% (for 800 to 2500 ppm) | ||
| Shelf Life | 3 Years | ||
| Corrections for temperature & humidity | Unnecessary | ||
| Store the tubes at cool and dark place. | |||
| Possible coexisting substances and their interferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Carbon monoxide |
| No | No |
Nitric oxide | No | No | |
Chlorine | 4ppm | + |
White(1ppm ) |
Carbon dioxide | No | No | |
Nitrogen dioxide | 1000ppm | + | White(1000ppm ) |
| Hydrogen sulphide | 5% | - | No |
| Sulphur dioxide | 100ppm | + | Yellow |
| n-Hexane | No | No |
| Other substance measurable with this detector tube |
| Calibration gas generation | High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | C 2 ppm | - |
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