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简单介绍：
一氧化碳气体检测管1H Carbon monoxide，Number of Pump Strokes 2 1 1/2 Correction Factor 1/2 1 2 Sampling Time 1.5 minutes per pump stroke Detecting Limit 0.02%，一氧化碳气体检测管价格
详情介绍：
一氧化碳气体检测管1H Carbon monoxide
Carbon monoxide No.1H
CO
| Performance |
Measuring Range | 0.1 to 0.2% | 0.2 to 5.0% | 5.0 to10.0% |
Number of PumpStrokes | 2 | 1 | 1/2 |
CorrectionFactor | 1/2 | 1 | 2 |
Sampling Time | 1.5 minutes per pumpstroke | ||
Detecting Limit | 0.02% (n=2) | ||
Color Change | White → Blackishbrown | ||
Reaction Principle | 5CO + I2O5 + H2S2O7 → I2 | ||
| Coefficient ofVariation | 10%(for 0.2 to 1.0 %), 5% (for 1.0 to 5.0 %) | ||
| 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 |
Acetylene | 0.3% | Plus error | Produce blackishbrown stain. |
Olefins | 2/3 time | Plus error | Produce brownstain. |
Butane | 1% | Plus error | Produce pale brownfor whole layer |
Propane | 20% | Plus error | Nodiscoloration |
Hexane | 0.3% | Plus error | Produce pale brownfor whole layer |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm | - | 12.5 to 74% |