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)12L
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更新時(shí)間:2021-01-04 12:38:50瀏覽次數(shù):72次
聯(lián)系我時(shí),請(qǐng)告知來(lái)自 儀表網(wǎng)簡(jiǎn)單介紹: *氣體檢測(cè)管12L Hydrogen cyanide HCN,Measuring Range 0.36 to1.25 ppm 1.25 to2.5 ppm 2.5 to 60 ppm 60 to120 ppm Number of Pump Strokes 5 2 1 1/2 Correction Factor,*......

| Performance |
MeasuringRange | 0.36 to1.25ppm | 1.25 to2.5 ppm | 2.5 to 60 ppm | 60 to120 ppm |
Number of Pump Strokes | 5 | 2 | 1 | 1/2 |
CorrectionFactor | 1/7 | 1/2 | 1 | 2 |
SamplingTime | 2 minutes per pumpstroke | |||
DetectingLimit | 0.1 ppm (n=5) | |||
ColorChange | Yellow → Red | |||
ReactionPrinciple | 2HCN +HgCl2 → Hg(CN)2+ 2HCl | |||
| Coefficient ofVariation | 10% (for 2.5 to 20ppm), 5% (for 20 to 60 ppm) | |||
| ShelfLife | 2Years | |||
| Correctionsfor temperature & humidity | Humidity correction is necessary | |||
| Store the tubes at cool and darkplace. | ||||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Sulfurdioxide | 20 ppm | Plus error | Reddiscoloration |
Hydrogensulfide | 5 ppm | Plus error | Reddiscoloration |
| Othersubstance measurable with this detector tube |
Substance | Correction Factor | Pump Strokes | Measuring Range |
Acetone cyanohydrine | 1.15 | 1 | 2.88 to 69 ppm |
Boron trichloride | by scale | 2 | 0.5 to 20ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | C 4.7ppm | 5.6to 40% |
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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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