一氧化碳氣體檢測管1D 1D
產品簡介
一氧化碳氣體檢測管1D CO Carbon monoxide
產品詳細信息
一氧化碳氣體檢測管1D CO Carbon monoxide
簡單介紹
一氧化碳氣體檢測管1D CO Carbon monoxide，Measuring Range 1.04 to 2000 ppm Sampling Hours 0.5 to 48 hours Detecting Limit 2 ppm (10 hours)一氧化碳檢測管價格
一氧化碳氣體檢測管1D CO Carbon monoxide的詳細介紹
一氧化碳氣體檢測管1D CO Carbon monoxide Carbon monoxide ****D
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% |
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