Gastec 131P 检测氯乙烯气体管 CH2：CHCl（50 - 1500μg/m3）
制造商: Gastec Model: 131P - 联系
Calibration Range: 50 - 1500 μg/m3
Measuring Range: 50 - 1500 μg/m3
Sampling (flow) Rate: 100mL/min
Sampling Volume: 3000mL
Sampling Time: 30 min
Colour Change: Yellow → Pale reddish purple
Nr. of tests: 5 tubes
Automatic Gas Sampler: GSP-300FT-2
Details
Specifications
| Calibration Range | 50 - 1500 μg/m3 |
| Measuring range | 50 - 1500 μg/m3 |
| Sampling (flow) Rate | 100mL/min |
| Sampling Volume | 3000mL |
| Sampling Time | 30min |
| Detecting Limit | 10μg/m3(3000mL) |
| Colour Change | Yellow → Pale reddish purple |
| Corrections for temperature/humidity | Necessary for 5 to 35 ºC Unnecessary for R.H.20 to 80% |
| 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 (NOTE)
| Substance(s) | Interference | Colour change by itself |
| Ammonia | No | No | |
| Hydrogen chloride,Chlorine | No | No | |
| Nitrogen oxides | No | No | |
| p-Dichlorobenzene | + | Pale reddish purple | |
| 1,2-Dichloroethylene | + | Pale reddish purple | |
| Trichloroethylene | + | Pale reddish purple | |
| Tetrachloroethylene | + | Pale reddish purple | |
| 1,1,1-Trichloroethane | No | No | |
| Aromatic hydrocarbons | No | No | |
| Formaldehyde | No | No |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 1 ppm (2014) | -- | 3.6 to 23% |
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