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| Brand | Beiyu Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | CGM800 |
| Detection Principle | Colorimetric Quantification via Nitrite Residual Measurement after KMnO₄ Oxidation |
| Range | < 5.0 mg/L |
| Repeatability | RSD < 2% |
| Accuracy | ±5% |
| LOD | 0.08 mg/L |
| Resolution | 0.01 mg/L |
| Sample Throughput | ~4 min per sample (30-sample batch capability) |
| Wavelength Accuracy | ±0.2 nm |
| Wavelength Repeatability | ±0.1 nm |
| Temperature Control Precision | ±0.1 °C |
| Baseline Drift | 0.0002 A |
| Baseline Noise | 0.0001 A |
| Brand | BEIYU TECHNOLOGIES |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Laboratory Benchtop Analyzer |
| Model | CGM-206W |
| Instrument Category | Automated Water Quality Analyzer for Permanganate Index (COD<sub>Mn</sub>) |
| Compliance | GB/T 11892–1989, GB/T 5750.7–2023, GB/T 13025.7–2012, GB/T 5750.4–2023 |
| Automation Level | Fully Integrated Digestion–Titration System with Machine Vision Endpoint Detection |
| Sample Throughput | Up to 30 samples per batch |
| Titration Resolution | 0.02 mL |
| Minimum Titration Interval | 2 minutes |
| Brand | BEIYU TECHNOLOGIES |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory Analyzer |
| Model | CGM201W / CGM202W / CGM205W |
| Measurement Principle | Colorimetric Titration with Thermal Digestion |
| Range | 0–5 mg/L as O₂ |
| Repeatability | ±3% RSD |
| Accuracy | ±3% of reading |
| LOD | 0.05 mg/L |
| Resolution | 0.05 mg/L |
| Cycle Time per Sample | 6 minutes |
| Digestion Method | Water Bath Heating (30 min at 98–100 °C) |
| Titration Temperature Control | Adjustable up to 80 °C |
| Endpoint Detection | Biomimetic Color Recognition System |
| Brand | BEIYU TECHNOLOGIES |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Benchtop Analyzer |
| Model | CGM400 |
| Measurement Principle | Automated Potentiometric/Colorimetric Endpoint Detection with Controlled Thermal Oxidation |
| Range | 0–5.0 mg/L as O₂ |
| Repeatability | ≤4% RSD |
| Accuracy | ±5% of reading |
| LOD | 0.05 mg/L |
| Resolution | 0.02 mg/L |
| Analysis Time per Sample | 7.5 minutes |
| Compliance | Fully aligned with GB/T 11892–1989, ISO 8467:1993, and APHA Standard Methods 5210 B |
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