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| Brand | ONUEE |
|---|---|
| Origin | Germany |
| Model | CLD-Dual |
| Detection Principle | Chemiluminescence (CLD) |
| Instrument Type | Online Fixed-Station Analyzer |
| Configuration | Dual-Channel (NO + NOₓ simultaneous measurement) |
| Measurement Range | 0–500 ppb (standard), extendable to 0–3000 ppm (FS) |
| Response Time (t₉₀) | ≤1 s (for NO), ≤10 s (t₁₀–t₉₀ for full-scale step) |
| Limit of Detection (LOD) | 0.1 ppb (3σ, typical) |
| Accuracy | ±1 % FS |
| Zero Drift | ≤±1 ppm over 10 h |
| Span Drift | ≤±1 % FS over 10 h |
| Linearity | ±5 ppm or ±1 % of reading (whichever is greater, at FS = 3000 ppm) |
| Operating Temperature | 10–35 °C (non-condensing) |
| Inlet Pressure | 800–1100 mbar |
| Sample Flow Rate | 30–200 mL/min per channel |
| Heater Temperature Range | 70–190 °C |
| Display | 7" resistive touchscreen LCD |
| Interface | Modbus TCP/IP + 4–20 mA analog output |
| Dimensions (L×W×H) | 543 × 485 × 143 mm (19", 3 HU) |
| Weight | ~23 kg |
| Power Supply | 230 V AC, 50–60 Hz |
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