苯检测管22PP
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。苯检测管22PP，GASTEC苯检测管22PP检测管，GASTEC苯检测管C6H622P电泵用气体检测管检测范围250-3000μg/m3。
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This detector tube is only to be used with automatic gas sampler GSP-300FT-2 |
Specifications
| Calibration Range | （250） - 3000 μg/m3 |
| Measuring range | 250 - 3000 μg/m3 |
| Sampling （flow） Rate | 50mL/min |
| Sampling Volume | 3000mL |
| Sampling Time | 60min. |
| Detecting Limit | 100 μg/m3 |
| Colour Change | White →Brown |
| Corrections for temperature/humidity | Unnecessary for 0 to 35ºC
Unnecessary for R.H.0 to 85% |
| Shelf life | 2 year |
| 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 |
| Toluene | 500 μg/m3 | No | No |
| Xylene | 500 μg/m3 | No | No |
| n-Hexane | 500 μg/m3 | No | No |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-S | Explosive range |
| 0.5 ppm | 2.5 ppm | 1.3 to 7.1% |
