Christ Alpha 2-4 LD Freeze dryer

Total ice capacity 4 kg,
Ice condenser temperature 85°C.

Universal laboratory freeze dryer for routine applications; low ice condenser temperature allow drying of samples containing organic solvents (e.g. alcohols);  with new user friendly unit control "LYO Display LDplus":

LDplus (Lyo Display Plus) stands for a comfortable, easy-to-use and self-explaining user interface for controlling routine freeze drying processes, combining functionality and convenient operation:

  • Graphic LC display with a clear layout showing the most important process data (ice condenser temperature, process time, section time and vacuum)
  • Comfortable and self-explaining menu guidance in German, English or French language
  • Vacuum control for optimization/reduction of process times (electromagnetic pressure control valve available as accessory)
  • Conversion of product temperature and vacuum according to the vapour pressure curve above ice

  • RS-232 communications interface (PC) available as an option, e.g. for process documentation software LyoLog LL-1

Suitable for drying in 12 or 24 round bottom flasks, wide neck filter bottles, ampoules and on 3 or 5 unheated shelves Ø 265 mm or 5 unheated shelves  Ø 360 mm, alternatively sealing device with 2 or 4 unheated shelves Ø 250 mm).