Gastec 3HMアンモニアクイック測定検出器チューブ NH3（0.05〜3.52％）
メーカーGastec(このブランドの他の製品を見る)
Model3HM
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: 0.05 ~ 1.6%
Measuring Range:
+ 0.05 to 1.6%, Number of Pump Strokes 1
+ 1.6 to 3.52%, Number of Pump Strokes 1/2
Sampling Time: 1 minutes per pump stroke
Colour Change: Pink → Yellow
Reaction Principle: 2NH3 + H2SO4 → (NH4)2SO4
Coefficient of Variation: 10% (for 0.05 to 0.4 %), 5% (for 0.4 to 1.6 %)
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 | 1 minute per pump stroke | ||
| Detecting Limit | 0.01% (n=1) | ||
| Colour Change | Pink → Yellow | ||
| Reaction Principle | 2NH3 + H2SO4 → (NH4)2SO4 | ||
| Coefficient of Variation | 10% (for 0.05 to 0.4 %), 5% (for 0.4 to 1.6 %) | ||
| 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 |
| Hydrazine | + | Yellow | |
| Pyridine | + | Yellow | |
| Amines other than aromatic amines | + | Yellow |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm (2014) | 35 ppm (2014) | 15 to 28% |
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