... time. 2, UV disinfection function. 1, Computer automatic temperature control, dual compressor refrigeration, refrigeration units, frozen head, ... LCD screen display compressors and other mechanical work status (temperature control, slice thickness repair, timer switch, in addition ... Sample vertical movement: 75 mm Sample retraction: 20μm Freezer temperature: -1 °C - 35 °C (≤ 30minutes cooling time) ...