AJ VAF 2100℃ Vacuum Atmosphere Furnace adopts tungsten strip heater and multi-layer metal reflect shield with PLC touchscreen control, argon atmosphere available for high-temperature sintering & melting of advanced materials, ceramics and metallurgy samples
| Item | Specification |
|---|---|
| Max Temperature | 2100℃ |
| Normal Working Temp | 2100℃ |
| High Temp Operation | Above 1600℃, control argon flow to maintain furnace pressure 100–1000Pa to prevent evaporation of heater & heat shield |
| Power Supply AC | 380V |
| Rated Power | 18KW |
| Effective Hot Zone Size(D×W×H) | 300×160×160 mm |
| Temperature Control Accuracy | ±1℃, integrated circuit control, no overshoot |
| Control Range | 50～2100℃ |
| Temperature Uniformity | ±2℃ (depends on heating chamber size) |
| Temperature Sensor | Type C thermocouple, measuring range 0~2300℃ |
| Heating Rate | Adjustable; Max 20℃/min (non-linear), Min 1℃/h |
| Heating Element | High purity tungsten strip. Nitrogen gas input is prohibited above 800℃ |
| Heater Mounting | Evenly arranged around furnace chamber |
| Furnace Body Material & Process | CNC machined, polished, pickling, phosphating, powder coating & high temp baking; anti-oxidation, acid & alkali resistant, easy cleaning |
| Furnace Structure | 304 stainless steel double-layer water cooling furnace body |
| Door Opening | Side open |
| Shell Surface Temp | ＜45℃ during continuous long running |
| Water Cooling | 3P refrigeration compressor unit, cooling on outer shell |
| Vacuum Pump | Two-stage direct rotary vane vacuum pump + Roots pump |
| Pressure Range | 0.1–1000Pa adjustable |
| Pressure Resistance | Chamber plate 6–20mm, double-side welding, withstand positive pressure 0.1MPa |
| Gas Valves | Import stainless steel valves |
| Pressure Indicator | 1 digital pressure gauge for positive & negative pressure |
| Gas Flow Meter | 1 argon mass flow meter for precise flow control |
| Vent Port | 1 electric vent port for pressure release |
| Pressure Protection System | Pressure sensor triggers auto close inlet valve, open vent valve + audible & visual alarm for overpressure protection |
| Atmosphere | Argon |
| Heat Shield | 10 layers: 3 tungsten, 2 molybdenum, 2 310S, 3 304 |
| Protection | 1. Integrated control unit, dual-loop control & protection; overshoot, thermocouple break, phase loss, overvoltage, overcurrent, overtemperature, soft start etc.2. 5kW standby emergency generator with auto circuit for power failure protection |
| Control System | Closed-loop SCR phase-shift control; constant voltage / constant current / constant power mode with current limiting protection |
| Display Items | Temp, program segment, segment time, remaining time, output power %, voltage, current, pressure, gas flow, vacuum |
| Program Control | Touchscreen controller, 50-segment program, Siemens PLC; auto setting of temperature, vacuum & gas flow for each segment |
| Warranty | 1 year warranty for whole furnace. Heating element excluded; free replacement within 3 months for natural failure |
| Spare Parts | 2 fuses, 1 crucible tongs, 1 pair high temp gloves |
| Packing List | 1 furnace, 2 fuses, 1 crucible tongs, 1 pair high temp gloves, manual, certificate, factory test report, delivery note |
