Gelon Lithium Ion Battery Equipment Drying System Three Layer Vacuum Oven. Independent 3-Layer Control: Three studios work independently or simultaneously with separate heating and temperature control systems. Customizable Dimensions: Workroom size is Height:300mm, Width:800mm, Depth:600mm with 3 layers; outline size Height:1850mm, Width:1420mm, Depth:890mm. Flexible Material Handling: Suitable for powder, solution, cream, and strap materials with stratified multi-layer floor and 2 mesh partitions per layer. Nitrogen Injection Capability: Vacuum chamber allows individual nitrogen addition per layer without disturbing other chambers. Safety Protection Features: Includes overpressure protection, over-temperature cut-off, alarm buzzer, and manual vacuum switch for power cuts. Durable Construction: Outer material is cold-rolled plate with spray plastic color; inner material is SUS304 stainless steel plate.