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| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | APHA-370 |
| Measurement Principle | Flame Ionization Detection (FID) with Selective Combustion Technology |
| Target Analytes | CH₄, NMHC, THC (expressed as ppmC) |
| Standard Range | 0–5 / 10 / 20 / 50 ppmC |
| Optional Range | 0–100 ppmC (4 selectable spans, span ratio ≤10) |
| Detection Limit | 0.050 ppmC (2σ, for ranges ≤5 ppmC) or 0.5% F.S. (2σ, for ranges >5 ppmC) |
| Repeatability | ±1.0% F.S. |
| Linearity | ±2.0% F.S. |
| Zero Drift | ±0.1 ppmC/day or ±2.0% F.S./day (whichever is greater) |
| Span Drift | ±2.0% F.S./day |
| Response Time (T90) | ≤60 s |
| Sample Flow Rate | ~0.9 L/min |
| Output Signals | 0–1 V, 0–10 V, 4–20 mA (user-specified) |
| Operating Temperature | 5–40 °C |
| Power Supply | 100–240 VAC, 50/60 Hz (configurable) |
| Dimensions | 430 W × 550 D × 221 H mm |
| Weight | ~33 kg |
| Display Language Options | English, German, French, Japanese |
| Data Storage | CF card (optional) |
| Network Interface | Ethernet/LAN (optional) |
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