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简单介绍：
一氧化碳气体检测管1D CO Carbon monoxide，Measuring Range 1.04 to 2000 ppm Sampling Hours 0.5 to 48 hours Detecting Limit 2 ppm (10 hours)一氧化碳检测管价格
详情介绍：
一氧化碳气体检测管1D CO Carbon monoxide Carbon monoxide No.1D
CO
| Performance |
Measuring Range | 1.04 to 2000ppm |
Sampling Hours | 0.5 to 48hours |
Detecting Limit | 2 ppm (10hours) |
Color Change | Pale Yellow →Brown |
Reaction Principle | CO +Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3 |
| Coefficient ofVariation | 10%(for 50 to 1000 ppm-hr) |
| ShelfLife | 2 Year |
| Correctionsfor temperature & humidity | Unnecessary |
| Store the tubes atcool and dark place. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself to |
Nitrogendioxide | 5 ppm | - | No |
Chlorine | - | No | No |
Hydrogensulphide | - | + | Reddishbrown |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm | - | 12.5to 74% |