Gastec 1LL 一酸化炭素クイック測定検出器チューブ CO（5〜50 ppm）
メーカーGastec(このブランドの他の製品を見る)
Model1LL
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: 5 ~ 50 ppm
Measuring Range: 5 ~ 50 ppm, Number of Pump Strokes 2
Sampling Time: 3 minutes per pump stroke
Colour Change: Yellow → Blackish brown
Reaction Principle: CO + Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3
Coefficient of Variation: 15% (for 5 to 10 ppm), 10% (for 10 to 50 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range | 5 to 50 ppm |
| Number of Pump Strokes | 2 |
| Correction Factor | 1 |
| Sampling Time | 3 minutes per pump stroke |
| Detecting Limit | 1 ppm (n=2) |
| Colour Change | Yellow → Blackish brown |
| Reaction Principle | CO + Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3 |
| Coefficient of Variation | 15% (for 5 to 10 ppm), 10% (for 10 to 50 ppm) |
| 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 |
| Acetylene | 1/50 time | + | Dark brown |
| sulphur dioxide | 1/10 time | + | Dark brown |
| Nitrogen dioxide | 40 ppm | + | Red |
| Hydrogen sulphidet | 1/5 time | + | Dark brown |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm(2014) | - | 12.5 to 74% |
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