产品品牌：GASTEC
产品型号：GASTEC
甲醇检测管NO.111TP
甲醇检测管CH3OHNO.111TP ，GASTEC 甲醇检测管CH3OHNO.111TP气体检测管，日本GASTEC 甲醇检测管CH3OHNO.111TP电泵用气体检测管检测范围20-300ppm。GASTEC为了满足用户在气体检测方面的需要，而开发出了电子自动采气泵。用传统的电子吸气泵几乎不能进行有效的采气，因为检测管里的填充试剂密度很高。而GASTEC开发的GSP电泵系列能提供强劲吸力，能满足特定的检测管的取样要求。电泵和检测管组成的新的检测系统能适用于作业环境的检测。
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| This detector tube is only to be used with automatic gas sampler GSP-300FT-2 |
Specifications
| Calibration Range | 20 - 300 ppm |
| Measuring range | 20 - 300 ppm |
| Sampling (flow) Rate | 50mL/min |
| Sampling Volume | 500mL |
| Sampling Time | 10min |
| Detecting Limit | 5 ppm |
| Colour Change | Pink → Pale blue |
| Corrections for temperature/humidity | Necessary for 0 to 40ºC
Unnecessary for R.H.10 to 90% |
| Shelf life | 2 years |
| Accuracy | CV=5-10%
(CV: Coefficient of variation = σ: standard deviation / mean value x 100) |
Possibly coexisting substances and their interferences
| Substance(s) | Interference | Colour change by itself |
| Alcohols | | + | Pale blue |
| Esters, Ketones | | No | No |
| Aliphatic hydrocarbons | | No | No |
| Aromatic hydrocarbons | | No | No |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 200 ppm | 250 ppm | 6 to 36% |
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