Heipu (Jinan Heipu Instrument Co., Ltd.)
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| Brand | Heipu (Jinan Heipu Instrument Co., Ltd.) |
|---|---|
| Origin | Shandong, China |
| Model | 5B-3B(H) V7 |
| Detection Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Turbidity |
| COD Range | 2–10,000 mg/L (multi-range), Ammonia Nitrogen Range: 0.02–60 mg/L (multi-range), Total Phosphorus Range: 0.002–5 mg/L (multi-range) |
| COD Accuracy | ≤±10% at <50 mg/L |
| Ammonia Nitrogen & Total Phosphorus Accuracy | ≤±5% |
| COD Measurement Time | 20 min |
| Ammonia Nitrogen | 10–15 min |
| Total Phosphorus | 35–50 min |
| Batch Capacity | 12 samples (COD & turbidity), 10 samples (ammonia nitrogen, expandable) |
| Light Source Lifetime | 100,000 hours |
| Chloride Interference Tolerance | [Cl⁻] < 1000 mg/L (standard) |
| Colorimetric Formats | Cuvette and test tube |
| Data Storage | 4000 records (timestamp, parameter ID, result) |
| Calibration Curves | 96 pre-stored or user-defined |
| Display | LCD |
| Interface | RS232 |
| Power Supply | AC 220 V ±10%, 50 Hz |