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- 产品名称：甲苯C6H5CH3检测管****22P
- 产品型号：****22P
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简单介绍
甲苯C6H5CH3检测管****22P，GASTEC甲苯C6H5CH3检测管NO. 122P气体检测管，GASTEC 甲苯C6H5CH3检测管NO. 122P电泵用气体检测管检测范围100-7000μg/m3。
产品描述
甲苯C6H5CH3检测管****22P
甲苯C6H5CH3检测管****22P，GASTEC甲苯C6H5CH3检测管NO. 122P气体检测管，GASTEC 甲苯C6H5CH3检测管NO. 122P电泵用气体检测管检测范围100-7000μg/m3。
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。
Specifications
| Calibration Range | 100-2500μg/m3 |
| Measuring range | 100-7000μg/m3 |
| Sampling (flow) Rate | 200mL/min |
| Sampling Volume | 6000mL, 2000mL |
| Sampling Time | 30min, 10min |
| Detecting Limit | 50μg/m3 |
| Colour Change | White → Pale brown |
| Corrections for temperature/humidity | Unnecessary for 5 to 35 ºC
Unnecessary for R.H.0 to 80% |
| Shelf life | 2 years |
Possibly coexisting substances and their interferences
| Substance(s) | Interference | Colour change by itself |
| Ethanol | | No | No |
| Xylene,Styrene |  1000μg/m3 | + | Pale brown |
| p-Dichlorobenzene | | No | No |
| α-Pinene | | No | No |
| n-Hexane | | No | No |
| Aromatic hydrocarbons | | + | Pale brown |
| Formaldehyde |  1/3 | No | No |
Other substance(s) measurable with this detector tube
| Substance(s) | Correction Factor | Pump Strokes [n] | Measuring Range |
| Ethyl benzene | coefficient: 1.1 | 200mL/min x 30min | 110-2750μg/m3 |
| Xylene | coefficient: 5.4 | 200mL/min x 30min | 540-13500μg/m3 |
| Calibration gas generation | Permeation tube method |
Miscellaneous
Electric sampling pump
This detector tube is suited for measuring toluene in indoor environments. The GSP-200 / GSP-300FT-2 series automatic gas samplers (or comparable sampling devices/pumps) should always be used for optimal performance.
A deviation of +/-10% in the sampling flowrate (i.e. amount of air flowing through the tube at a given moment) or the sampling amount (total sampled amount of target substance) causes an average margin of error of approx. +/-10% (maximum +/-20%) in the indicated value. |
| TLV-TWA | TLV-STEL | Explosive range |
| 50ppm | -- | 1.4×6.7% |
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