产品介绍
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 | (25)-800 ppm |
| Measuring range | 25-800 ppm |
| Sampling (flow) Rate | 100mL/min |
| Sampling Volume | 1000mL |
| Sampling Time | 10min. |
| Detecting Limit | 10 ppm |
| Colour Change | Yellow → Red |
| Corrections for temperature/humidity | Temperature correction is necessary |
| Shelf life | 2 year (in the refrigerator) |
| 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, Esters |
| + | No |
| Aldehydes, Ketones |
| + | Red |
| Aromatic hydro carbons |
| No | No |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 500 ppm | 750 ppm | 2.1 to 13% |
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