Non Gradient Thermal Cycler with Adjustable pressure hot lid, to prevent volatilizing and dewing. Heat lid with pressure alarm device, to prevent damaging test tube by too much pressure. Convenient and flexible module replacement mode. Innovative module wire socket design achieves module replacement without wire. The unique lift-right design for amplification area and operating area. Coloured and wide Screen displaying Multiple details. Perform 20000 times non-breakdown operation. Block capacity 64x0.2Ml Temp range 4C-99C, Max Heating rate < 2.5C/s, Max cooling rate < 2.5C/s, Temperature display accuracy 0.1C, Max program unit 9, Max Cycle No 99.