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| Brand | MingShen Science |
|---|---|
| Origin | Henan, China |
| Model | HR-4 |
| Temperature Range | Ambient–1600 °C (resolution: 1 °C, S-type thermocouple) |
| Heating Rate | 15–20 °C/min up to 900 °C |
| Temperature Accuracy | ±3 °C |
| Timing Range | 0–999 min (1 s resolution <10 min) |
| Timing Drift | <1 s/h |
| Max Output Current | ≤30 A |
| Power Supply | AC 220 V, 50 Hz |
| Operating Environment | 0–40 °C, RH ≤80% |
| Control Core | Microcontroller-based closed-loop phase-angle SCR control with auto-calibration of temperature and current |
| Compliance | Designed per GB/T 219–2008 (Chinese National Standard for Coal Ash Fusibility Determination) |
| Brand | MingShen Science |
|---|---|
| Origin | Henan, China |
| Model | HR-3 |
| Furnace Type | Horizontal High-Temperature Furnace |
| Heating Element | Silicon Carbide (SiC) Tube |
| Max Temp | 1600 °C |
| Temp Resolution | 1 °C |
| Temp Accuracy | ≤0.2% FS |
| Thermocouple | Pt-Rh/Pt (Type S) |
| Controlled Ramp Rates | 15–20 °C/min up to 900 °C |
| Imaging System | CCD Camera with Real-Time Digital Capture |
| Image Storage Interval | 1 min ≥900 °C |
| Compliance | GB/T 219–2008 |
| Communication Interface | RS-232 (with optional USB adapter) |
| Software Platform | Windows XP or later |
| Dimensions (L×W×H) | 900×380×470 mm |
| Weight | 45 kg |
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