The HSB series high-temperature circulating bath is a liquid circulation device that uses electric heating to raise the temperature, improving temperature control accuracy and water temperature stability. It is widely applicable for drying, concentration, distillation, immersion of chemical reagents, pharmaceuticals, and biological products. Additionally, it can be used for water bath heating and other temperature tests. This device is an essential tool for biological, genetic, virology, aquaculture, environmental protection, medical, hygiene, biochemical laboratories, analytical rooms, and educational and scientific research institutions.