Gastec 1DL Passive Dosl Tube 일산화탄소 CO 검지관 (0.4 ~ 400ppm)
Model1DL
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안전한 결제
품질 보장
간편 교환 및 반품
배송 가능
Indicator: 10~200ppm
Measuring Range: 0.4 ~ 400 ppm
Sampling Hours: 0.5 to 24
Colour Change: Pale Yellow → Brown
Reaction Principle: CO + Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3
Coefficient of Variation: 10% (for 10 to 200 ppm-hr)
Nr. of tests: 10
Performance
| Measuring Range | 0.4 to 400 ppm | |
| Sampling Hours | 0.5 to 24 hours | |
| Detecting Limit | 0.2 ppm (24 hours) | |
| Colour Change | Pale Yellow → Brown | |
| Reaction Principle | CO + Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3 | |
| Coefficient of Variation | 10% (for 10 to 200 ppm-hr) | |
| Shelf Life | 2 Years | |
| Corrections for temperature & humidity | Unnecessary | |
| Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. | ||
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Nitrogen ｍonoxide |
≦ 1/10 |
No | No |
| Sulphur dioxide | ≦ 1/1 | No | No |
| Nitrogen dioxide | ≦ 1/20 | No | Brown |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm | - | 12.5 to 74% |
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