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上海乐丁电子科技有限公司
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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,咨询。
Performance |
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 | ||
Detecting Limit |
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Color Change | Yellow → Dark brown | ||
Reaction Principle | CO + Na2Pd(SO3)2 → Pd + CO2 + SO2+Na2SO3 | ||
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 | ||
Correctionsfor humidity Unnecessary for R.H.0 to 90% |
Possible coexisting substances and their interferences | (NOTE) |
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-S | Explosive range |
25 ppm | - | 12.5 to 74% |
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