The Model 7312 Immersion Circulator provides ambient 5 to 200 C temperature contro, ۪.01 C temperature stability, and can be programmed with up to ten time/temperature profiles. It is suited to applications where gradual or multi-step heating is required. The unit features multi-language menus; easy-to-read graphic displays; integral over-temperature and low-liquid level safeties; a user-settable high temperature alarm; RS232 interface; and remote programming, control, and data-logging capability. A powerful five-speed pump can be used for internal as well as open- or closed-loop external circulation. An optional remote temperature probe can be used to provide more accurate temperature control in external circulation applications.