上海樂丁電子科技有限公司
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更新時間:2018-05-14 09:00:00瀏覽次數(shù):415次
聯(lián)系我時,請告知來自 儀表網(wǎng)二甲苯檢測管22P,GASTEC氣體檢測管,日本GASTEC電泵用氣體檢測管檢測范圍540-13500μg/m3。
Toluene | NO.122P |
| C6H5CH3 |
| 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 |
| 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 |
| 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 |
| 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-S | Explosive range |
| 50ppm | -- | 1.4×6.7% |
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商 鋪:上海樂丁電子科技有限公司 http://m.liuyangwu.com/st26258/
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