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产品分类 Product
Specifications | Model Number:Stirling UltracoldULT-25N |
Application, Rating and Electric Data | |
Application | Storage of general (non-flammable) laboratory materials |
Storage Volume | 25 liters (0.9 cu.ft.) |
Storage Capacity | 18 standard 2" boxes in drawer racks, optional, available separately |
Temperature Range | 86 to -20ºC @ 32ºC (90ºF) ambient, adjustable to 1ºC increments |
Electric Power | 120V or 240V, AC; 60Hz or 50Hz; or 12V DC from mobile source |
Maximum Power (Current) | 280 watts (3.6 amps @120V, 1.8 amps @240V) |
Auto-Voltage Capability | 88V to 264V, 50 or 60 Hz |
Electric Supply Rating | 15 amp or greater grounded circuit |
Power Plugs Supplied |
NEMA 5-15P plug requires standard NEMA 5-15R receptacle (120V); Length: 2261 mm (89 in.), or NEMA 6-15P plug requires standard NEMA 6-15R receptacle (240V); Length: 2997 mm (118 in.). Specify when ordering |
Certification/Agency Listing | CE |
Noise | Typical of laboratory equipment |
Indoor/Outdoor Use | Indoor use only |
Application Environment | Non-corrosive, non-flammable, non-explosive |
Ambient Operating Temperature | +5ºC to +35ºC (41ºF to 95ºF) |
Useful Life | 12 years, nominal |
Refrigeration System | |
Cooling Engine | Humm™ helium charged free-piston Stirling engine with continuous modulation |
Heat Transport System |
Gravity driven thermosiphon operates on acooling medium of 0.4 oz to 0.9 oz (10 to 25 grams) depending on medium used |
Refrigerant | R-508B nonflammable CFC/HCFC-Free |
Evaporator | Cold wall (inner liner) |
Heat Rejection |
Finned heat exchanger with forced air cooling Air inlet: Above freezer door below mechanical compartment Air outlet: Right side of top cover, upward |
Defrost Method | Manual |
Controller | |
Controller Type | Microprocessor with touchscreen input and display |
Security |
Lockable door Optional PIN requirement built in |
Warm and Cold Alarms | Setpoint ± 10°C |
Control Sensor | One RTDs (PT100 Class B) |
Event Log | All alarms, door openings |
Dry Contacts | optional |
Performance Data,-80ºC Setpoint at Ambient 25ºC ± 2ºC, Empty Cabinet | |
Pull-Down from Ambient | 2.2 hours |
Recovery from 2 Minute Door Opening |
20 minutes to -80°C |
Warm-Up Profile | 30mins to -60ºC |
70mins to -40ºC | |
130mins to -20ºC | |
Steady State Energy Use | < 2.8 kWh/day at -80°C Setpoint |
Heat Dissipation | 403 BTU/h (load to HVAC) |
Dimensions and Construction | |
Interior (L x W x D) | 332 x 221 x 340 mm | (13.1 x 8.7 x 13.4 in.) |
Exterior (L x W x D) | 692.5 x 350 x 460 mm | (27.3 x 13.8 x 18.1 in.) |
Net Weight, Empty | 21 kg (46 lbs.), nominal 21 kg (46 lbs.), nominal |
Shipping Dimensions(L x W x D) | 787.4 x 482.6 x 584.2 mm | (31 x 19 x 23 in.) |
Shipping Weight | 26.3 kg (58 lbs.), nominal |
Insulation | High performance vacuum insulated panels and polyurethane foam |
Options |
Plastic Utility Bin, AC Power Supply, Mobile,Power DC Cord, Sub-Lid, Certificate of Calibration, Temperature Mapping Validation, |
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