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| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Oxi 3310 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Clark-type Polarographic Probe |
| DO Range | 0.00–19.99 mg/L (extended up to 90 mg/L) |
| Accuracy | ±0.5% of reading |
| Saturation Range | 0.0–199.9% (extended up to 600%) |
| Partial Pressure Range | 0–199.9 hPa / 0–1250 hPa |
| Temperature Range | −5.0 to +105.0 °C |
| Temp. Accuracy | ±0.1 °C |
| Data Storage | 200 manual + 5000 auto-log entries |
| Logging Interval | 1 s – 60 min |
| IP Rating | IP66/IP67 |
| Power Supply | 4 × 1.5 V alkaline or 4 × 1.2 V rechargeable batteries |
| Battery Life | up to 1000 h (150 h with backlight enabled) |
| Interface | Waterproof USB |
| Calibration | Automatic OxiCal protocol with electrode status feedback |
| ATC | Integrated automatic temperature compensation |
| CMC | Continuous Measurement Control with real-time validity indication |
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