Gastec 2H 二酸化炭素クイック測定検出器チューブ CO2（0.5-20％）
メーカーGastec(このブランドの他の製品を見る)
Model2H
お問い合わせ
安全なチェックアウト
高品質な対応
簡単な交換・返品
配送対応可能
Indicator: 1 ~ 10%
Measuring Range:
+ 0.5 to 1%, Number of Pump Strokes 2
+ 1 to 10%, Number of Pump Strokes 1
+ 10 to 20%, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: White → Purple
Reaction Principle: CO2 + N2H4 → NH2NHCOOH
Coefficient of Variation: 10% (for 1 to 3 %), 5% (for 3 to 10 %)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range |
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| Number of Pump Strokes |
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| Correction Factor |
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| Sampling Time | 45 seconds per pump stroke | |||
| Detecting Limit | 0.1% (n=2) | |||
| Colour Change | White → Purple | |||
| Reaction Principle | CO2 + N2H4 → NH2NHCOOH | |||
| Coefficient of Variation | 10% (for 1 to 3 %), 5% (for 3 to 10 %) | |||
| 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 colour by itself to |
| Ammonia | No | No | |
| Carbon Monoxide | No | No | |
| Chlorine | No | No | |
| Hydrogen sulphide | No | No | |
| Hydrogen chloride | No | No | |
| Nitrogen oxides | No | No | |
| sulphur dioxide | No | No | |
| Amines | No | No | |
| Organic solvents | No | No |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| 5000 ppm(2014) | 30000 ppm(2014) | - |
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