一氧化碳检测管1A快速检测管是一种现场快速、直读测定气体浓度的检测手段，由一支内装显色指示剂、外壁印有浓度刻度的玻璃管组成，当被测气体通过管内指示剂时发生显色化学反应，测试人便可通过变色界线直接读出气体的浓度。具有数百种气体和不同的浓度范围，欢迎来电咨询。
Carbon monoxide No.1A
CO
| Performance |
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Measuring Range |
5 to50 ppm |
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Sampling Rate |
100mL/min(300mL) |
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Correction Factor |
1 |
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Sampling Time |
3 minutes |
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Detecting Limit |
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Color Change |
Yellow → Dark brown |
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Reaction Principle |
CO + Na2Pd(SO3)2 → Pd + CO2 + SO2+Na2SO3 |
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| Coefficient of Variation | 10% (for 5 to 10 ppm), 5% (for 10 to 50 ppm) | ||
| Shelf Life | 3 Years | ||
| Corrections for temperature | Unnecessary for 0 to 40 | ||
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Correctionsfor humidity Unnecessary for R.H.0 to 90% |
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| Possible coexisting substances and their interferences | (NOTE) |
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Substance |
Concentration |
Interference |
Change color by itself |
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| Other substance measurable with this detector tube |
| Calibration gas generation | High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm | - | 12.5 to 74% |