Stirling Ultracold SU780XLE Freezer

PDFPrintEmail
27.5 cu ft storage; -20°C to -86°C
Sales price $9,250.00
Stirling_inside1
Stirling_inside2
Description
The Stirling Ultracold SU780XLE is an energy-efficient upright ultra-low temperature (ULT) freezer. Saves valuable laboratory space & reduces your freezer energy use.
 
Specifications 
Application, Rating and Electric Data Application: Storage of general (non-flammable) laboratory materials 
Storage: Volume 780 liters (27.5 cu. ft.) 
Storage Capacity: 600 standard 2” boxes 
Temperature Range: -20°C to -86°C @ 32°C (90°F) ambient, adjustable to 1°C increments 
Electric Power: 100-240VAC at 50/60Hz (Japan) 120-240VAC at 50/60Hz (All other regions) 
Maximum Power (Current): 1200 watts (10 amps @120V, 5 amps @240V), nominal 
Auto-Voltage Capability: 120-240VAC at 50/60Hz (automatically adjusts) 
Electric Supply Rating: 15 amp or greater grounded circuit 
Noise: < 48 dB(A) at 1 meter from front of freezer in steady state operation
Indoor/Outdoor Use: Indoor use only 
Application Environment: Non-corrosive, non-flammable, non-explosive 
Ambient Operating Temperature: +5°C to +35°C (41°F to 95°F) 
Useful Life: 12 years, nominal 
 
Refrigeration System 
Cooling Engine: Helium charged free-piston Stirling engine with continuous modulation 
Heat Transport System: Gravity driven thermosiphon Refrigerant R-170 (Ethane) 90 grams 
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
Interface: Graphical user interface with touchscreen controls 
Controller Type: Microprocessor with touchscreen input and display 
Security: Lockable door, optional PIN requirement built in 
Warm and Cold:  Alarms Fully adjustable 
Control Sensor:  One RTD (PT100 Class A) 
Event Log:  All alarms, door openings 
Dry Contacts: Normally closed, normally open, common; activated by power outage or any alarm condition 
Temperature Log: 30 days available graphically
Battery Back-up: 12-hour control battery back-up for touchscreen 
Internet Connectivity: Optional Ethernet connection transmitting in BACnet™ or MQTT protocols /Optional Sense Anywhere wireless temperature monitoring and logging
 
Performance Data 
Steady State Energy Use: 6.67 kWh/day at -75°C (Weighted Average) (ENERGY STAR® Final Test Method) 
Pull-Down from 25°C Ambient: 6.5 hours at -80°C (Empty Cabinet) 
Recovery from Door Opening: 35 minutes at -80°C (ENERGY STAR® Final Test Method) 
Warm-up Profile: 2.5 hours to -60°C at -80°C (Empty Cabinet) 6.5 hours to -40°C at -80°C (Empty Cabinet) 
Heat Dissipation: 981 BTU/h (load to HVAC) at -80°C (Empty Cabinet)
 
Comes with our 90-day warranty.
 

Biotech Equipment Sales, Inc.: based in South San Francisco, the Biotech capital of the world, since 2009. We are dedicated to bringing high-quality pre-owned laboratory instrumentation to our scientific community.

Biotech Equipment Sales, Inc.

226 Miller Ave.

South San Francisco, CA  94080

650-871-5707 office

650-276-7487 fax

sales@biotechequipmentsales.com