Gastec 103 速い検出チューブ炭化水素C2〜C7（0.05〜2.4％）
メーカーGastec(このブランドの他の製品を見る)
Model103
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: 0.1 to 1.2%
Measuring Range:
+ 0.05 to 0.1%, Number of Pump Strokes 2
+ 0.1 to 1.2%, Number of Pump Strokes 1
+ 1.2 to 2.4%, Number of Pump Strokes 1/2
Sampling Time: 2 minute per pump stroke
Colour Change: Yellowish brown → Greenish brown
Reaction Principle: Hydorocarbon (C2 + C7) + Cr6+ + H2S2O7 → Cr3+
Coefficient of Variation: 10% (0.1 ~ 1.2 %)
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 | 2 minutes per pump stroke | |||
| Detecting Limit | 0.01% (n=2) | |||
| Colour Change | Yellowish brown → Greenish brown | |||
| Reaction Principle | Hydorocarbon (C2 + C7) + Cr6+ + H2S2O7 → Cr3+ | |||
| Coefficient of Variation | 10% (for 0.1 to 1.2 %) | |||
| Shelf Life | 2 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 |
| Carbon monoxide | No | No | |
| Methane, Ethane | No | No | |
| Organic solvents | + | Greenish brown |
Other substance measurable with this detector tube
| Substance | Correction Factor | No. of pump strokes | Measuring Range |
| Acetylene | 1.5 | 1/2, 1, 2 | 0.075 to 3.6% |
| Butane, Heptane, Isobutane | 0.7 | 1/2, 1, 2 | 0.035 to 1.68% |
| Ethylene | 7.0 | 1/2, 1, 2 | 0.35 to 16.8% |
| Hexane | 0.5 | 1/2, 1, 2 | 0.025 to 1.2% |
| Isopentane | 0.9 | 1/2, 1, 2 | 0.045 to 2.16% |
| Pentane | 0.75 | 1/2, 1, 2 | 0.0375 to 1.8% |
| Propane | 1.0 | 1/2, 1, 2 | 0.05 to 2.4% |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | - |
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