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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)6L
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更新時(shí)間：2021-01-04 16:57:30瀏覽次數(shù)：99次
聯(lián)系我時(shí)，請(qǐng)告知來(lái)自 儀表網(wǎng)簡(jiǎn)單介紹： 6L 水蒸汽檢測(cè)器H2O Water vapour，檢測(cè)種類：氨氣、苯、一氧化碳、硫化氫、二氧化硫、*、二氧化碳、氯氣、*、氮氧化物、碳?xì)浠衔锟偭?、丙酮、二甲苯、丁酮、甲苯?、二氧化氮、三氯乙稀、*、氯乙稀、硫醇、二氧化氯、溴化甲、臭氧、丁烷、汽油、柴油、甲醛等。公共場(chǎng)所檢測(cè)箱，溫濕度計(jì)，聲級(jí)計(jì)，照度......
| Performance |
MeasuringRange | 0.05 to 1 mg/l | 1 to 2 mg/l |
Number of Pump Strokes | 1 | 1/2 |
CorrectionFactor | 1 | 2 |
SamplingTime | 30 seconds per pumpstroke | |
DetectingLimit | 0.03 mg/l(n=1) | |
ColorChange | Yellow →Purple | |
ReactionPrinciple | H2O + Mg(ClO4)2 → Mg(ClO4)2 | |
| Coefficient ofVariation | 10% (for0.05 to 0.2 mg/l), 5% (for 0.2 to 1 mg/l) | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity | Unnecessary | |
| Store the tubes at cool and darkplace. | ||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Alcohols | 100 ppm | Uncleardemarcation | Greenish purplestain |
Aldehydes | - | Uncleardemarcation | |
Ketones | - | Uncleardemarcation | |
Nitriles | - | Uncleardemarcation | |
Hydrocarbons | - | No effect | Nodiscoloration |
Nitrogendioxide | - | No effect | Nodiscoloration |
Sulfurdioxide | 100 ppm | Plus error | Nodiscoloration |
| Ammonia | 10 ppm | Uncleardemarcation | Yellowishgreen |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | - |
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