Freeze drying unit Alpha 1-2 LDplus, 230 V, 50 Hz, air-cooled, refrigerating machine 0.43 kW, environmentally friendly, natural refrigerant, without vacuum pump, table-top model, integrated base plate for direct attachment of a drying chamber or accessories with a diameter of 240 mm, table top, ice condenser, ice condenser chamber and defrost water valve completely made of stainless steel, ice absorption capacity max. 2.5 kg, ice condenser capacity max. 2 kg/24 h, ice condenser temperature approx. -55°C, ice condenser chamber 3.5 litres, equipped with hot gas defrosting, vertical arrangement, suitable for freeze-drying in round-bottom flasks, wide-neck filter bottles and/or on unheated surfaces, can also be used as a cold trap for rotary vacuum concentrators, equipped with system control LDplus (Lyo-Display-plus): clear graphic LC display with representation of the process data (ice condenser temperature, process time, section time and vacuum in conjunction with vacuum measurement probe VCP 63 order no. 125478), comfortable operation with the system control LDplus. No. 125478), comfortable and intuitive menu navigation in German, English and French, conversion of product temperature and vacuum according to the vapour pressure curve (°C = mbar) over ice, vacuum control in conjunction with pressure control valve, Order No. 125910, special voltage see Order No. 120100