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| Brand | Red Sun Instrument |
|---|---|
| Model | HR-280 |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Temperature Control Range | Ambient to 300.0 °C (independently adjustable per bath) |
| Temperature Accuracy | ±0.1 °C (per bath) |
| Temperature Sensor | Imported Pt100 Platinum Resistance Thermometer |
| Heating Power | 1.5 kW (rated) |
| Bath Configuration | 4 independent metal heating baths |
| Stirring Speed | 1400 rpm |
| Timing Range | 0.01 s to 99 h 59 min |
| Display | 7-inch capacitive touch LCD with Chinese menu interface |
| Data Storage | Onboard non-volatile memory |
| Compliance | GB/T 7326–2016 (Petroleum Products — Determination of Copper Strip Corrosion) |
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