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| Brand | EURO TECH |
|---|---|
| Origin | Shanghai, China |
| Model | ET1151M |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Rapid Digestion Spectrophotometry |
| Wavelengths | 420 nm, 610 nm |
| COD Range | 0–1000 mg/L |
| TN Range | 0–150 mg/L |
| TP Range | 0.02–20 mg/L |
| Accuracy | ≤ ±5% |
| Repeatability | RSD ≤ 3% |
| Detection Limit | 0.1 mg/L (COD), 0.01 mg/L (TP), 0.1 mg/L (TN) |
| Measurement Time | 20 min per sample |
| Throughput | 1 sample per run |
| Optical Source | High-Stability LED |
| Wavelength Accuracy | ±3 nm |
| Photometric Modes | Absorbance, Transmittance (%T), Concentration |
| Stability | ΔA < 0.005 over 20 min |
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