Manual

10  General Information Operating Manual Freeze Dryer ALPHA 1-4 LDplus / ALPHA 2-4 LDplus
1.3. Technical Specification
ALPHA 1-4 LD
plus
ALPHA 2-4 LD
plus
Performance data
Ice condenser capacity max. 4kg max. 4kg
Ice condenser
performance
1)
max. 4kg/24h max. 4kg/24h
Ice condenser
temperature
1)
approx. –55°C approx. –85°C
Ice condenser chamber
volume:
approx. 6,5l approx. 6,5l
Max. shelf surface area
when drying outside the ice
condenser chamber
(process B):
5 shelves, Ø265
A
total
0.28m
2
spacing: 79mm
with accessory no.
120902
or
5 shelves, Ø360
A
total
0.51m
2
spacing: 70mm
with accessory no.
120916
5 shelves, Ø265
A
total
0.28m
2
spacing: 79mm
with accessory no.
120902
or
5 shelves, Ø360
A
total
0.51m
2
spacing: 70mm
with accessory no.
120916
Max. shelf surface area
when drying in injection
vials with sealing under
vacuum or nitrogen
atmosphere outside the ice
condenser chamber
(process B):
4 shelves, Ø250
A
total
0.18m
2
spacing:
max. 50mm
with accessory no.
121011
4 shelves, Ø250
A
total
0.18m
2
spacing:
max. 50mm
with accessory no.
121011
Drying in round bottom
flasks. Please note that the
max. ice condenser
capacity is 4kg
(process B):
12 pieces resp.
24 pieces
12 pieces resp.
24 pieces
Physical data (without vacuum pump):
Dimensions of the unit: width: 390mm
height: 415mm
depth: 555mm
(incl. vacuum-flange
connection)
width: 390mm
height: 415mm
depth: 555mm
(incl. vacuum-flange
connection)
Weight: approx.42kg approx.55kg
Noise emissions according
to DIN 45635:
54 dB(A) 54 dB(A)