Gastec 152TP 检测甲基乙基酮气体管 CH3COC2H5（20 - 300 ppm）
制造商Gastec(查看更多该品牌的产品)
Model152TP
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Calibration Range: 20 - 300 ppm
Measuring Range: 20 - 300 ppm
Sampling (flow) Rate: 100mL/min
Sampling Volume: 1000mL
Sampling Time: 10 min
Colour Change: Yellow → Red
Nr. of tests: 10 tubes
Automatic Gas Sampler: GSP-300FT-2
Specifications
| Calibration Range | 20 - 300 ppm |
| Measuring range | 20 - 300 ppm |
| Sampling (flow) Rate | 100mL/min |
| Sampling Volume | 1000mL |
| Sampling Time | 10min |
| Detecting Limit | 5ppm |
| Colour Change | Yellow → Red |
| Corrections for temperature/humidity | Temperature correction is necessary |
| Shelf life | 2 years (in the refrigerator) |
| 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 discoloration | |
| Aldehydes | + | Red | |
| Ketones | + | Red | |
| Acetic acid |  50ppm |
No | Purple at 70ppm |
| Ethyl acetate | + | No discoloration | |
| Diethyl ether | 150ppm |
No | No discoloration |
| Trichloroethylene | No | No discoloration | |
| Toluene | No | No discoloration | |
| Hexane | No | No discoloration | |
| Benzene | No | No discoloration | |
| Methanol | 150ppm |
No | No discoloration |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 200 ppm |
300 ppm |
1.7 to 11.4% |
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