Specifications

Operating Manual Freeze Dryer ALPHA 1-4 LD-2 / 2-4 LD-2, Version 0203, Page 8
1.3 Technical Specifications of Freeze Dryer
ALPHA 1-4 LD-2 / ALPHA 2-4 LD-2
Performance data:
Ice condenser capacity: max. 4 kg max. 4 kg
Ice condenser performance: max. 4 kg/24 h max. 4 kg/24 h
Ice condenser temperature: Approx. -54°C approx. – 84°C
Shelf temperature when freezing inside
the ice condenser chamber: Approx. -25°C approx. – 50°C
Max. shelf surface area when drying
outside the ice condenser chamber: 5x shelf surface areas 360
Max. shelf surface area when drying in
injection vials (according to DIN) with sealing
under vacuum or nitrogen atmosphere:
Only outside, with 4x shelf
surface areas 250
Drying in round bottom flasks, e. g. each 300 ml: 24 pieces with additional
chamber
Other data:
Dimensions of the unit: width: 390 mm
height: 415 mm
depth: 540 mm
(incl. vacuum flange connection)
Weight: approx. 42 kg approx. kg
Noise emissions according to DIN 45635
Electromagnetic compatibility according to EN
55011:
dB (A) dB (A)
class B
Filling quantities:
Refrigerant: see label on the back of the unit
Connection requirements:
Electric connection: 230 V, 50 – 60 Hz
(others on request) and central
grounding connection