MK-10 dry thermostat adopts microcomputer-controlled thermostatic metal bath device to replace the traditional water bath device. The instrument can be configured with a variety of modules to adapt to a variety of different types of test tubes. It can be widely used for the preservation of samples, preservation and reaction of various enzymes, denaturation treatment of nucleic acids and proteins, PCR reaction, pre-denaturation of electrophoresis and serum coagulation.