Leica Biosystems CM3050 S - Manual (Page 23)

23 Leica CM3050S – Cryostat
4. Instrument properties
Operating temperature range (ambient temperature): + 18°C to + 40°C. All specifications related to tempe-
rature are valid only up to an ambient temperature of + 22°C and relative air humidity of less than 60%!
4.2 Technical Data
Type CM3050S-10 CM3050S-1 CM3050S-8 CM3050S-9
Marks of conformity - - - -
Nominal voltage 100 V AC ±10% 230 V AC ±10% 240 V AC ±10% 100 V AC ±10%
Nominal frequency 50 Hz 50 Hz 50 Hz 60 Hz
Power draw 1800 VA 1800 VA 1800 VA 1800 VA
Max. start-up current for 5 sec 35 A eff. 25 A eff. 25 A eff. 30 A eff.
Protective fuse I I I I
Automatic cutout T15A M3 T10A T1 T10A T1 T15A M3
Pollution degree  2 2 2 2
Overvoltage installation category II II II II
Heat emission (max.) 1800 J/s 1800 J/s 1800 J/s 1800 J/s
Refrigeration system 50 Hz 60 Hz
Cryochamber
Temperature selection range
Defrosting
0°C to -40°C (+ 3 K / - 0 K)
Automatic hot-gas defrost cycle,
programmable in 15-min increments;
1 automatic defrost cycle per 24 hours.
Duration: 6 - 12 minutes
Manual defrost cycle
0°C to -40°C (+3 K / - 0 K)
Automatic hot-gas defrost cycle,
programmable in 15-min. increments;
1 automatic defrost cycle per 24 hrs.
Duration: 6 - 12 minutes
Manual defrost cycle
Refrigeration capacity  690 W 690 W
Safety factor 3 3
Refrigerant 280 g ±5g refrigerant R 404A * 280 g ±5g refrigerant R 404A*
Compressor oil 0.6 l EMKARATE RL-22S, ICI * 0.6 l EMKARATE RL-22S, ICI *
Quick-freeze shelf
Maximum temperature - 43°C (+ 0 K / - 2 K) - 43°C (+ 0 K / - 2 K)
Number of quick-freeze stations 10 10
Specimen cooling (Option)
Temperature range -10° C to -50°C ±3K -10° C to -50°C ±3K
Defrosting Manual defrost cycle (electric) Manual defrost cycle (electric)
Refrigeration capacity  320 W 320 W
Safety factor 3 3
Refrigerant 185 g ±5g refrigerant R 404A * 185 g ±5g refrigerant R 404A *
Compressor oil 0.4 l alpha 22, Kyodo * 0.4 l alpha 22, Kyodo *
or RENISO E22, Fuchs * or RENISO E22, Fuchs *