STRILING Shuttle ULT25NE - 9. Specifications; 9.1 Freezer Specifications

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Operating Manual: ULT25NE 10327.1 | 12.22.2016
9. Specifications
9.1 – Freezer Specications
Electric Power
120V or 240V, AC; 60Hz or 50Hz; or 12V DC
from mobile source
Maximum Power
(Current)
280 watts (4 amps @120V, 2 amps @240V)
Electric Supply Rating 15 amp or greater grounded circuit
Cooling Engine
Helium charged free-piston Stirling engine with
continuous modulation
Refrigerant R-170 (Ethane), 10-12 grams
Temperature Range
-86
º
C to -20
º
C @ 32
º
C (90
º
F) ambient, uniformity ± 3°C at
-
80
º
C top to bottom, adjustable in 1°C increments
Presets for -86°C (default), -40°C and -20°C
Ambient Operating
Temperature
+5
º
C to +35
º
C (41
º
F to 95
º
F)
Application
Environment
Non-corrosive, non-flammable, non-explosive
Storage Volume 25 liters (0.9 cu.ft.)
Interior Dimensions 13.1" L x 8.7" W x 13.4" D | (332 x 221 x 340 mm)
Exterior Dimensions 27.3" L x 13.8" W x 18.1" D | (692.5 x 350 x 460 mm)
Net Weight, Empty 46 lbs. (21 kg), nominal
Insulation
High performance vacuum insulated panels and
polyurethane foam using environmentally friendly
CO
2
blowing agent
Noise Typical of laboratory equipment
Control Sensor One RTD (PT100 Class A)
Dry Contacts Optional
Pull-Down
4 hours from 25
º
C temperature to -80
º
C setpoint
Recovery
20 minutes from 1 minute lid opening to -80
º
C setpoint
Warm-Up Prole
from -80ºC Setpoint
30 minutes to -60
º
C
70 minutes to -40
º
C
130 minutes to -20
º
C
Steady State Energy Use
< 2.8 kWh/day (average power 118 watts) at -80
º
C
Heat Dissipation
(at -80
º
C)
403 Btu/h (load to HVAC)