Main technical indicators:
1. Detector indicators
| Thermal conductivity detector (TCD) | |
| Sensitivity (detection limit) | ≥ 5000mv. mL/mg (benzene) |
| Baseline noise | ≤10uv |
| Baseline drift | ≤60uv/30min |
| Linear range | 105 |
| Stable time | ≤2h |
2. Temperature control
Temperature control range: Column box volume: 250×250×180mm
Temperature range: 8 ℃ -400 ℃ above room temperature
Temperature control accuracy: ± 0.5%
Display accuracy: 0.1 ℃
Program order: 8 orders
Cheng Sheng rate: 0-39 ℃/min (adjustable increment of 0.1 ℃/min)
Program heating repeatability: ≤ 1％
3. Normal working conditions of the instrument
Environmental temperature: 5-35 ℃
Relative humidity: ≤ 85％
Power supply voltage: 220V ± 10%, 50Hz ± 0.5Hz;
There should be no corrosive gases indoors, the workbench should not have strong vibrations, and there should be no strong magnetic fields around it.
4. Host size: 500 × 540 × 480mm
5. Power: 1500W
2、 Product features:
───────────────────────
Serial number, retention time, name, concentration, peak area
───────────────────────
1 1.496 H2 29.80
2 2.830 O2 3.08 292967
3 3.464 N2 5.74 549454
4 5.740 CO 19.94 1330943
5 10.412 CH4 10.54 2303990
6 17.764 CO2 5.95 365470
───────────────────────
Total hydrocarbon concentration: 10.54
