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| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | APNA-370 |
| Measurement Principle | Dual-Flow Modulated Chemiluminescence Detection (CLD) |
| Range Options | 0–0.1 / 0.2 / 0.5 / 1.0 ppm (standard) |
| LOD | 0.5 ppb (2σ, ≤0.2 ppm range) or 1.0% F.S. (2σ, >0.2 ppm range) |
| Repeatability | ±1.0% F.S. |
| Linearity | ±1.0% F.S. |
| Zero Drift | ±1.0 ppb/day or ±1.0% F.S./day (whichever greater) |
| Span Drift | ±1.0% F.S./day |
| Response Time (T₉₀) | ≤120 s (at minimum range) |
| Sample Flow Rate | ~0.8 L/min |
| Operating Temperature | 5–40 °C |
| Power Supply | 100–240 VAC, 50/60 Hz (configurable) |
| Dimensions | 430 W × 550 D × 221 H mm |
| Weight | ~21 kg |
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