Thermo Scientific™ Revco™ High-Performance Lab Freezers Available on GSA/VA Contract for Federal Government customers only.

Simplify operation and increase accuracy with the microprocessor control of Thermo Scientific™ Revco™ High-Performance Lab Freezers.

Manufacturer: Thermo Scientific™ ULT1230A

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Catalog No. 22-285655

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    Warranty Warranty varies by country, please contact us for details
    Type High-Performance Freezer
    Width (English) Interior 20 in.
    Width (Metric) Interior 50.8cm
    Electrical Requirements 115V 60Hz
    Capacity (Metric) 326L
    Defrost Automatic
    Dimensions (D x W x H) Interior 21 x 20 x 52.4 in. (53.3 x 50.8 x 133.1cm)
    Height (English) Interior 52.4 in.
    Height (English) Exterior 73.6 in.
    Shelves 4
    Shipping Weight (Metric) 127kg
    Temperature Control Microprocessor
    Voltage 115V
    Width (English) Exterior 24 in.
    Doors Single, Solid
    Certifications/Compliance UL and CUL listed. CE marked.
    Amperage 8A,8A
    Capacity 11.5 cu. ft., 326L,11.5 cu. ft., 326L
    Cabinet Type Space Saver,Space Saver
    Capacity (English) 11.5 cu. ft.
    Depth (English) Interior 21 in.
    Height (Metric) Exterior 186.9cm
    Height (Metric) Interior 133.1cm
    Hertz 60Hz
    Length (Metric) Exterior 74.3cm
    Plug Type 5-15P
    Shipping Weight (English) 280 lb.
    Refrigerant CFC-free,CFC-free
    Temperature Range (Metric) -30°C
    Width (Metric) Exterior 61cm
    Breaker 15A,15A
    Depth (Metric) Interior 53.3cm
    Dimensions (L x W x H) Exterior 29.3 x 24 x 73.6 in. (74.3 x 61 x 186.9cm)
    Length (English) Exterior 29.3 in.

    Simplify operation and increase accuracy with the microprocessor control of Thermo Scientific™ Revco™ High-Performance Lab Freezers. Our Revco™ -30°C and -20°C high-performance freezers are designed for medical and scientific applications such as storage of reagents, pharmaceuticals, biologicals or other commonly used laboratory materials. Models offer cabinet sizes to fit a variety of space needs and storage volume requirements.

    • Temperature factory-preset at -20° or -30°C
    • Capacities from 4.9 to 51.1 cu. ft. (139 to 1447L)
    • Icon-based controls and displays
    • Large, easy-to-read digital display shows temperature within 1°C
    • Graphic thermometer is steady green when temperature is normal, flashes top bar for overtemperature, flashes bulb for undertemperature

    Microprocessor Control

    • 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
    • Controller battery backup system


    • Scratch-resistant cold-rolled steel interior and exterior finishes
    • High-density, 2in. thick (5.1cm) CFC-free urethane foam insulation protects against ambient temperature fluctuations
    • CFC-free, HFC-blend refrigerant
    • Single-door models are hinged on right
    • Full-length door handle and key lock
    • Doors self-close and lock open at 90°
    • Adjustable epoxy-coated wire shelves
    • 1in. (2.5cm) dia. access port with plug on undercounter model

    Model Specific Features:

    -30°C Freezers

    • Automatic defrost and condensate removal
    • ensor automatically initiates defrost cycle on demand, eliminating need for a defrost timer, minimizing frost buildup, and optimizing coil efficiency
    • Forced-air circulation improves temperature uniformity, provides faster recovery after door is opened

    -20°C Freezers

    • Suitable for applications in which slight intermittent coil warming during an automatic defrost cycle is not desired (such as enzyme storage)
    • Gravity convection air system for maximum stability without a blower or fan
    • Manual defrost

    Ordering Information:

    Alarm systems, temperature chart recorders, and power monitors are available separately.


    Published interior volumes are nominal; usable capacities may be offset by shelves, drawers, blower coils or cabinet protrusions. For specific cabinet dimensions and allowances, or for verification of clearance tolerances, contact your Customer Service Representative.

  • Description & Specifications
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