Enzyme Freezers

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Thermo Scientific Revco Enzyme Freezers

Choose Thermo Scientific™ Revco™ Enzyme Freezers for storage applications where slight intermittent coil warming during an auto-defrost cycle is not desired. Our manual defrost ?20°C upright freezers feature microprocessor control system, gravity air circulation, industrial-quality cabinet construction and extra-strength refrigeration compressors designed for industrial, clinical and scientific use.

Key Features:

  • Operating temperature: -20 degrees CelsiusC
  • Preset temperature setpoint
  • Upright 23.3 cu. ft. (659L) capacity
  • Gravity convection air system for maximum stability without blowers or fans
  • Manual defrost

Microprocessor Control System:

  • Icon-based controls and displays
  • Graphic thermometer is steady green when temperature is normal, flashes top bar for overtemperature, flashes bulb for undertemperature
  • Large, easy-to-read digital display of temperature within 0.1 degrees CelsiusC
  • Audible/visual warnings for overtemperature, undertemperature, or power failure
  • Key-operated OFF/ON/ALARM ON master switch for setpoint security
  • Push-button alarm test
  • Remote alarm contacts
  • Alarm silence, ringback, and auto reset
  • Battery backup system


    Scratch-resistant, painted cold-rolled steel interior and exterior finishes
  • Solid door with full-length handle and keyed lock-self-closes against closed-cell peripheral gasket
  • High-density, CFC-free urethane foam insulation protects cabinet from ambient temperature fluctuations and minimizes operating costs
  • Hermetically sealed heavy-duty, industrial-grade compressor
  • Nine epoxy-coated, open-wire shelves, adjustable in 1in. (2.5cm) increments
  • Adjustable leveling feet


  • 45 high-impact plastic enzyme storage bins for easily accessible inventory. Bin overall dimensions (L x W x H): 25.25 x 4.25 x 3in. (64 x 11 x 8cm); labels not provided.

UEN2320A 23.3 Cu Ft-20°C115V
Your Price: $6,977.00
UEN2320D 23.3 Cu Ft-20°C208/230V
Your Price: $6,977.00
UEN3020A 29.2 Cu Ft-20°C115V
Your Price: $8,010.00
UEN3020D 29.2 Cu Ft-20°C208/230V
Your Price: $8,010.00

Thermo Scientific TSX High Performance -20°C Enzyme Freezers, Manual Defrost

Thermo Scientific™ TSX Series high-performance -20°C manual defrost enzyme freezers are designed with features that support sample protection and sustainability objectives for the storage of enzymes requiring -20°C. The Series' V-drive technology is designed to provide temperature uniformity that continually adapts to user patterns, offering significant energy savings without compromising protection.

  • Whisper quiet with a sound level of 52 dBA, enabling end users to work alongside the refrigerator without distraction
  • Unique V-drive technology is designed to detect usage patterns such as door openings when a higher compressor speed is needed and periods of stability where the compressor runs at a lower speed, saving energy without compromising protection
  • Up to 50% less energy usage than conventional refrigerant models
  • Natural, R290 refrigerants and water-blown foam make the TSX Series compliant with the U.S. Environmental Protection Agency's Significant New Alternatives Policy (SNAP)
  • Manufactured in an award-winning, zero-waste to landfill facility
  • Temperature range of -25° to -15°C, factory setpoint at -20°C
  • Lower HVAC costs as a result of less heat emission into the environment
  • Easy to use microprocessor control with setpoint security and alarms
  • Compatible with wireless monitoring systems and remote alarm contacts
  • Standard door locks provide comfort and assurance
  • Ergonomic door handle
  • Optional chart recorders available

Wireless Monitoring Solution

Thermo Scientific™ DeviceLink HUB™, our easy-to-install solution, works with the Thermo Fisher Cloud to monitor conditions inside your TSX Series Laboratory Refrigerators and Freezers.

DeviceLink HUB™ connects users to their equipment, allowing them to receive critical lab equipment data and equipment notifications on their mobile and web applications:

  • Display temperature
  • Ambient temperature
  • Alarm and alerts notification

VolumeTemperature RangeElectrical
TSX2320EA 23 CU FT (650L)-25° to 15°C115V
Your Price: $8,340.00
TSX2320ED 23 CU FT (650L)-25° to 15°C208/230V
Your Price: $8,340.00