The top class for demanding tasks in any environment JULABO Deep-freeze circulating thermostats for heating and cooling. The devices are mainly suitable for external tempering tasks. Models in different performance classes are available. High-performance circulating pump systems and high heating / cooling performance guarantee short heating and cooling times. Easy removal of unavoidable dust through removable ventilation grille. With carrying handles or rollers for easy transport. All models with drainage tap on the front for easy draining of the bath fluid. The deep-freeze circulators are additionally equipped with improved insulation to prevent ice formation and a level indicator. VFD COMFORT DISPLAY Membrane keypad for setting setpoints, warning / safety values ??and menu functions PID3 Cascade temperature control for maximum internal and external consistency ATC3 3-point calibration Pt100 External probe connection for measuring and controlling SMART PUMP electronically adjustable pump output levels Early warning system for low level (DBGM 203 06 059.8) Adjustable over-temperature protection adjustable via display RS232 interface for online communication Integrated programmer for 10 program steps Active Cooling Control