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甲醇检测管111 CH3OH
点击次数：168发布时间：2012/3/20 10:49:08
更新日期：2012/9/21 14:20:44
所 在 地：其它
产品型号：111
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详细内容
简单介绍
甲醇检测管111 CH3OH Methanol，Measuring Range 0.002 to 0.004% 0.004 to 0.02% 0.02 to 1.5% 1.5 to 4.5%，气体检测管有一氧化碳、硫化氢、氨、甲醛、苯 、苯系物中苯 、甲苯 、二甲苯 、二氧化硫、氮氧化物、汽油 、液化石油汽 、 、氯化氢、二氧化碳、磷化氢、二硫化碳、臭氧 、氟化氢 、甲醇 、乙醇
甲醇检测管111 CH3OH Methanol
的详细介绍甲醇检测管111 CH3OH Methanol
Methanol No.111
CH3OH
| Performance |
| Measuring Range | 0.002to 0.004% | 0.004to 0.02% | 0.02to 1.5% | 1.5to 4.5% |
| Number of Pump Strokes | 4 | 2 | 1 | 1/2 |
| Correction Factor | 1/9 | 1/5 | 1 | 3 |
| Sampling Time | 3 minutes per pumpstroke | |||
| Detecting Limit | 0.0004% （n=4） | |||
| Color Change | Pink → Paleblue | |||
| Reaction Principle | CH3OH + Cr6+ + H2SO4 → Cr3+ | |||
| Coefficient ofVariation | 15% （for 0.02 to 0.5%）, 10% （for 0.5 to 1.5 %） | |||
| ShelfLife | 3Years | |||
| Correctionsfor temperature & humidity | Temperature correction is necessary | |||
| Store the tubes at cool ａnd darkplace. | ||||
| Possible coexisting substances ａnd theirinterferences | （NOTE） |
| Substance | Concentration | Interference | Change color byitself |
| Otheralcohols | - | Plus error | Produce similar stainby themselves |
| Carbondioxide | - | No effect | Nodiscoloration |
| Carbonmonoxide | - | No effect | Nodiscoloration |
| Sulfurdioxide | - | No effect | Nodiscoloration |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Static gas dilutionmethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 200ppm | 250ppm | 6 to36% |
