Digital, low profile stirrer can be operated manually or programmed for complex applications such as interval stirring or ramping speeds. May be used with up to four 1L flasks/beakers or three 1L spinner flasks. Four user-defined profiles of up to nine independent steps may be stored in memory. Choose from three power levels for various sample viscosities. Microprocessor control allows precise and reproducible operation without heat build-up. Operates at temperatures from 0-38°C.