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The system adopts advanced gas chromatography combined with hydrogen flame ionization detection technology to analyze characteristic factors such as total hydrocarbons, non methane total hydrocarbons, and benzene derivatives in flue gas, which responds to the vast majority of organic compounds and has high measurement accuracy.
| Detection principle | GC-F ID |
| Power supply | AC220V土10%; 50HZ土1HZ |
| Instrument air | (0.4-0.6) Mpa; Gas consumption 5Nm3/h; Dew point: -20 ℃, oil-free, anhydrous |
| Output | DC (4-20) mA; Operation (automatic, manual), maintenance, and troubleshooting; RS485, RS232, TCP/IP |
| Ambient temperature | (15~35)℃ |
| Ambient humidity | relative humidity: ≤85% |
| Measuring components |
Total hydrocarbons, methane, non methane total hydrocarbons, benzene derivatives, flue gas temperature, flue gas pressure, flue gas flow rate, flue gas humidity, and flue gas oxygen content |
| (Gaseous pollutants) | Total hydrocarbons, methane, non methane total hydrocarbons, benzene derivatives |
| Sampling method | Fully extractable (full heat tracing) |
| Detector | FID |
| Limit of detection | Non methane total hydrocarbons: <0.1ppm; Benzene class: <1ppm |
| Range | 0-100mg/CM3( customizable) |
| Analysis cycle | Non methane total hydrocarbons ≤ 2min, benzene derivatives ≤ 3min |
| Zero drift | The 24-hour zero drift shall not exceed ± 2% of the calibration range |
| Span drift | The 24-hour range drift shall not exceed 2% of the calibrated range |
| Indication error | The relative error shall not exceed 5% of the soil |
| Maintenance cycle | ≥168 hours |
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