AJ 2100℃ Vacuum Atmosphere Furnace, tungsten strip heater with multi-layer metal reflection shield, PLC touchscreen control, argon atmosphere only, ±1℃ accuracy for ultra-high temp sintering & melting of advanced materials.
| Item | Specification |
|---|---|
| Temperature Grade | 2100℃ |
| Normal Working Temperature | 2100℃ |
| High Temp Operation Condition | Above 1600℃, control argon flow, maintain chamber pressure at 100-1000Pa to prevent evaporation of heater & heat shielding |
| 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 dimension) |
| 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 injection is forbidden above 800℃) |
| Heater Mounting | Evenly arranged around furnace chamber |
| Furnace Body | CNC machined, polished, pickling, phosphating, powder coating & high temp baking; anti-oxidation, acid & alkali resistant, high temperature resistant, easy cleaning |
| Furnace Structure | 304 stainless steel water-cooled double-layer furnace body |
| Door Opening | Side opening |
| Shell Surface Temp | ＜45℃ under continuous non-stop operation |
| Water Cooling System | 3P refrigeration unit with compressor |
| Cooling Position | Outer shell surrounding |
| Vacuum Pump | Two-stage direct rotary vane vacuum pump + Roots pump |
| Vacuum Degree | 0.1-1000Pa, pressure controllable |
| 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 gas flow control |
| Vent Port | 1 electronically controlled vent hole 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 reflective shield: 3 layers W, 2 layers Mo, 2 layers 310S, 3 layers 304 |
| Protection | 1. Integrated control unit, dual-loop control & protection; overshoot, thermocouple break, phase loss, overvoltage, overcurrent, overtemperature, soft start etc.2. 5kw emergency backup generator with automatic control circuit for power failure protection under high temperature |
| Control System | Closed-loop SCR phase-shift control; constant voltage / constant current / constant power mode with current limiting protection |
| Display Items | Temperature, program segment, segment time, remaining time, output power %, voltage, current, pressure, gas flow, vacuum degree etc. |
| Temperature Program | Touch screen intelligent temperature controller |
| Multi Recipes | 50-segment program, controlled by Siemens PLC; auto setting of temperature, vacuum and gas flow for each segment |
| Warranty | 1 year free warranty for furnace main body; heating element excluded (free replacement for natural damage within 3 months) |
| Spare Parts | 2 fuses, 1 crucible tongs, 1 pair high temperature gloves |
| Packing List | 1 furnace unit, 2 fuses, 1 crucible tongs, 1 pair high temperature gloves, operation manual, certificate, factory test report, delivery invoice |
