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Product Selection

ModelSeriesTemperature RangePlug TypeCapacity (2-inch boxes)Electrical
ULT390-10-ACxF-50° to -86°CNEMA 5-203 cu. ft., 84.9L (63)115V 60Hz
ULT1390-10-ACxF-50° to -86°CNEMA 5-2012.7 cu. ft., 359.6L (252)115V 60Hz
ULT1390-10-DCxF-50° to -86°CNEMA 6-1512.7 cu. ft., 359.6L (252)208-230V 60Hz
ULT1790-10-ACxF-50° to -86°CNEMA 5-2017 cu. ft., 481.4L (348)115V 60Hz
ULT1790-10-DCxF-50° to -86°CNEMA 6-1517 cu. ft., 481.4L (348)208-230V 60Hz
ULT2090-10-ACxF-50° to -86°CNEMA 5-2020 cu. ft., 566.3L (396)115V 60Hz
ULT2090-10-DCxF-50° to -86°CNEMA 6-1520 cu. ft., 566.3L (396)208-230V 60Hz



  • Eye-level, easy-to-use microprocessor control panel.
  • Message center: 12-character alphanumeric LED displays setpoints, system status and alarm messages.
  • Access code to ensure setpoint security.
  • Optional built-in chart recorder or data logger for continuous monitoring.
  • Easy-to-remove air filter.


  • Heavy gauge, cold-rolled steel exterior construction with a powder coat paint finish that resists chipping and rust.
  • Stainless steel interior.
  • 5" (127mm) foamed-in-place, polyurethane insulation.
  • Ergonomic, lockable door handle.


  • Convenient interior covers minimize sample exposure to outside conditions.
  • Inner sub-lids protect bulk samples from ambient exposure during single sample retrievals.
  • Optional CO2 or LN2 safety back-up system included for additional protection in the event of a power or mechanical failure.
  • Unit includes RS-232 and 4-20 milliamp analog outputs for independent monitoring devices and recorders.
  • Freezer includes heavy-duty casters with locking tandem wheel design for smooth mobility.


  • Valid in the USA only.


Thermo Scientific Revco CxF Series -86°C Ultra-Low Temperature Chest Freezers Product Brochure