Heating and cooling machine provides laboratory temperature control needs and now comes with a microprocessor controller. The low-cost controller has been purposely designed with basic functions. It can be purchased alone, as an immersion bath or re-circulation temperature control machine. All models use natural refrigerants, are environmentally friendly and save energy. Suitable for sample prep, analysis, materials testing, as well as external temperature control of measuring equipment or experiments. It reaches a stability of +-0.05°C and is fitted with over-temperature and low-level protection, meeting safety class III/FL (DIN 12876).