| Voltage AC | 380V |
| Rated Power | 12KW (Room temperature rises to 300°C within 30 minutes) |
| Long-term Working Temperature | 600°C |
| Temperature Control Accuracy | ±1°C |
| Furnace Tube Material | Stainless Steel Tube 310S (Sandblasted) |
| Inside Tube | Built-in support plate (with holes) |
| Tube Load Capacity | ≤50kg |
| Tube Tray | 300mm (L) × 120mm (W) × 80mm (H), holds two pieces (2mm bottom holes, 3mm spacing), thickness 2mm |
| Furnace Tube Dimensions (mm) | Diameter 219 - Heating Zone 900 - Constant Temperature Zone 600 |
| Temperature Uniformity in Furnace | Measured under no-load conditions in the constant temperature zone:600mm working zone: ≤±5°C 400mm working zone: ≤±4°C (Aging temperature 280-320°C) |
| Thermocouple & Temperature Range | Nickel-Chromium/Nickel-Silicon K-type, Range 0-900°C |
Electrical Control System | |
| Control Points | 3 independent thermocouples for temperature control, using Xiamen Yudian Intelligent Temperature Controller. Supports standard PID, AI-APID, or MPT tuning modes with self-tuning and self-learning functions. Features excellent control characteristics (no overshoot/undershoot), 10-100-segment program control, customizable ramp-up/cooling rates, and programmable commands (jump/loop, run, pause, stop). Allows real-time program modification during operation (temperature difference between three points ≤2°C). |
| Program Segments | 30 segments |
| Display & Recording | Touchscreen operation with automatic recording of temperature, time, and vacuum data |
| Compliant with Class II furnace requirements: temperature control indication ±0.2%, instrument accuracy 0.3% | |
| Display Parameters | Temperature, segment number, segment time, remaining time, output power percentage, voltage, current, etc. |
| Heating Rate | Adjustable from 1°C/h to 15°C/min |
| Heating Elements | High-temperature resistance wire (Nickel-Chromium alloy) |
| Heating Element Position | Installed horizontally around the furnace tube |
| Refractory Material | High-purity alumina fiber insulation board |
| Furnace Surface Temperature | ≤45°C |
Vacuum System | |
| Vacuum Pump | Mechanical pump + molecular pump unit |
| Vacuum Level | 1.33×10<sup>-1</sup>~1.33×10<sup>-3</sup> Pa (Pumping time ≤30min) |
| Vacuum Gauge | Digital composite vacuum gauge |
| Flow Meter | Float flow meter (5L) |
| Process Gas | Nitrogen |
| Gas Inlet | Located at bottom-left of furnace tube |
| Gas Outlet | Located at top-right of furnace tube |
| Furnace Door Mechanism | Hinged opening |
Touchscreen Interface | |
| Project Name | Parameters |
| Language | Chinese/English (switchable) |
| Full-screen Display & Operation | Instrument screen, bar graph, historical trends, data reports, alarm information, data export, process flow, system management |
| Temperature Control | Touchscreen + high-precision integrated module |
| Start Heating | Touch operation |
| Pause Heating | Touch operation |
| Stop Heating | Touch operation |
| Temperature Curve Programming | Touch operation, 30 segments per curve |
| Real-time Status Display | Running curve name, segment number, segment time, elapsed segment time, digital temperature, real-time curve, power output percentage |
| Segment Selection Start | Touch operation (cross-segment start) |
| Curve Range | Adjustable |
| Historical Curves | Storage for approximately 20 months |
| Data Reports (Excel) | Storage for approximately 20 months, multi-point simultaneous display (USB expandable) |
| Data Logging Interval | Adjustable 1-3600 seconds, multi-point simultaneous display (USB expandable) |
| Alarm Language | Chinese display (alarm time and event description in Chinese) |
| Data Export Interface | USB (supports mouse) |
| Printer Interface | Parallel port |
| Touchscreen Protection | Password protection (operation prohibited without password) |
| Password Management | All touchscreen operations can be password protected to prevent parameter/process leakage and ensure comprehensive management |
Warranty & Accessories | |
| Warranty Coverage & Period | 1-year free warranty for electric furnace |
| Standard Accessories | 5 sealing rings, 1 instruction manual |
| Additional Remarks | 1.Nitrogen gas cabinet (capacity for 2 nitrogen tanks) 2.Nitrogen concentration analyzer 3.Audible & visual over-temperature alarm 4.Reserved temperature measurement ports (for 5 thermocouples) 5.Additional 5-point temperature measurement bracket (compliant with requirements) 6.Heating resistance wires (2 pcs) 7.USB flash drive (1 pc) 8.Feeding rod (1 pc) 9.Includes: - Furnace temperature uniformity test system - Vacuum gauge - Thermocouples - Temperature controller - Nitrogen flow meter - Nitrogen concentration analyzer |