1. Inner box size: 400x400x450mm (width x depth x height) 2. Outer box size: 650x920x30mm (width x depth x height) 3. Temperature range: RT10~150 ℃ (commonly used at 130 ℃) 5. Temperature display accuracy: 0.1 ℃ 6. Temperature stability: ± 1.0 ℃ 7. Temperature uniformity: ± 2 ℃ 8. Heating time: (5 ± 2) ℃/min, (average heating, non-linear no-load) 9. Temperature control meter: Programmable temperature controller that can control the total heating time, different from ordinary temperature control meters. 10. Inner box material: stainless steel plate