Instruction: Voltage with 220V, 380V, 480V, 440V, 415V or 400V. 2. Pressure within 0-0.3MPa (atmosphere pressure), Heavy: 0-0.5Mpa; 3. Heating boards are equipped with water cooling device; 4. Adjustable within temperature range of 0-200C; 5. Temperature control system could be automatically controlled.