JULABO Heating Bath Circulators with stainless steel, Plexiglass or Makrolon bath tanks can be used for internal or external temperature applications. However these units are mainly used for internal temperature tasks performed directly in the bath. Temperature applications with external, closed systems are possible via the attachable pump connectors. There are a wide selection of models within the Economy and TopTech series’ with different bath sizes and features. Different test tube racks and bath covers are available as accessories. Your advantages Bright LED temperature display, resolution 0.1 °C Keypad for setpoint, switches automatically to the actual value PID1 temperature control Adjustable high temperature cut-out / dry-running protection