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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | TP-585 |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Online Analyzer |
| Measurement Range | 0–50 mg/L |
| Accuracy | ±10% of reading |
| Repeatability | ≤±10% |
| Minimum Measurement Cycle | 40 min (adjustable from 5–120 min) |
| Digestion Time | Configurable |
| Sampling Interval | 20–9999 min (programmable) or on-the-hour mode |
| Calibration Interval | 1–99 days (user-defined) |
| Maintenance Interval | ~30 min per month |
| Analog Output | 1 × 4–20 mA (optional 2 channels) |
| Communication Interface | RS232 or RS485 |
| Digital I/O | 1–6 relay outputs (220 VAC / 2 A) |
| Operating Environment | +5 to +28 °C, ≤99% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz ±1%, 5 A |
| Dimensions | 1430 × 500 × 403 mm |
| MTBF | ≥720 h |
| Data Retention | Non-volatile memory preserves settings and logs during power loss |
| Display & Control | Integrated touch screen interface |
| Self-Diagnostic Capability | Real-time fault detection with alarm prompts |
| Auto-Cleaning | Integrated sampling line cleaning function |
| Valve System | Multi-port corrosion-resistant valve assembly |
| Tubing | Imported modified PTFE transparent tubing (ID >1.5 mm) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DGB-428 |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Portable |
| Measurement Principle | Molybdate Spectrophotometry (650 nm LED) |
| Measurement Range | 0.000–1.000 mg/L |
| Accuracy | ≤ ±10% |
| Detection Limit | 0.05 mg/L |
| Resolution | 0.001 mg/L |
| Calibration | Up to 5-point user-defined calibration |
| Display | Backlit LCD with adjustable contrast and backlight duration |
| Protection Rating | IP65 |
| Power Supply | 4 × AA alkaline batteries or USB 5 V DC |
| Interface | USB for data transfer, printer connection, and firmware update |
| Operating Environment | 5–35 °C, 0–85% RH |
| Dimensions | 220 × 85 × 50 mm |
| Weight | ~0.4 kg |
| Cuvette | 16 mm OD × 100 mm, 10 mL capacity |
| Data Management | GLP-compliant storage, review, deletion, and print export |
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