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| Brand | Lihero |
|---|---|
| Model | LFS-2002(TN) |
| Measurement Principle | High-Temperature Alkaline Persulfate Oxidation + UV Spectrophotometry (220 nm & 275 nm) |
| Detection Range | 0.05–100 mg/L TN (typical, configurable) |
| Detection Method | A = A₂₂₀ₙₘ − 2 × A₂₇₅ₙₘ |
| 消解条件 | 120–124 °C, ≥0.11 MPa, 30 min |
| Optical System | Dual-Wavelength UV Photometer with Auto-Balanced Optical Path |
| Calibration Modes | Zero Check, Span Check, Standard Calibration, Curve Auto-Standardization, Spike Recovery Test |
| Compliance Support | ASTM D5176, ISO 11908, HJ 636-2012, EPA 351.2 (adapted), GLP/GMP-ready data logging |
| Remote Interface | Modbus TCP/IP, RS485, Optional 4G/LTE Data Upload |
| Operating System | Embedded Linux Real-Time OS |
| Self-Diagnosis | Integrated Sensor Health Monitoring, Reagent Level Sensing, Optical Path Stability Verification, Fault Logging & Cloud Upload |
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