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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) |
| Brand | Red Sun Instrument |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HRDZT-380 |
| Application | Wood Moisture & Insulation Resistance Testing |
| Resistance Range | 10² Ω to 10¹⁶ Ω (extendable to 10²⁰ Ω via current extrapolation) |
| Resistivity Range | up to 10²² Ω·cm |
| Voltage Accuracy | ±0.5% ±1 V |
| Measurement Speed | Fast mode — 5 readings/sec |
| Display | 4.3″ high-resolution TFT LCD |
| Interface | Banana jacks, BNC connectors |
| Compliance Reference | GB/T 10580–2003, IEC 60260, ASTM D257, ISO 3915 |
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