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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | COD-571 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Rapid Digestion Method (Closed-Tube, Dichromate Oxidation) |
| Measurement Range | 0–1500 mg/L COD |
| Accuracy | ±8% of reading ±1 mg/L (for 0–150 mg/L) |
| Repeatability | ≤3% RSD |
| Digestion Time | 0–120 min (programmable) |
| Batch Capacity | 21 samples per run |
| Digestion Temperature Range | 50–150 °C (control accuracy: ±5 °C below 150 °C) |
| Timing Accuracy | ±5 min at 120 min setting |
| Stability | ±2 mg/L drift over 15 min |
| Operating Environment | 5–40 °C, RH ≤85%, AC 220 V ±10%, 50 Hz ±1 Hz |
| Safety Features | Overtemperature alarm, auto-shutdown post-digestion |
| Data Output | Integrated thermal printer (PP40 type), direct COD concentration readout |
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