The Labmate Refrigerated Thermostatic Bath and Heating Circulator have advanced adopted the latest international advanced CFC-free refrigeration system and circulator with a pump flow of 0 ~ 20 L / min. Automatic identification of set temperature and the ambient temperature. Over temperature alarm system to ensure safety. It is used to put trial samples or newly made products to a constant-temperature test. It can also be used as a heat source or cold source for direct heating or cooling and auxiliary heating or cooling