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29.2 cu. ft. TSX -20°C manual defrost enzyme freezer with 9 shelves and 54 enzyme bins feature cold wall convection and V-Drive for sample protection | 1621-31 displayed
General Purpose Freezers (-20°C)
Product Group:
1621-PP-02
1621-PP-02 78050

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

  • Energy-efficient manual defrost enzyme freezers prevent slight intermittent coil warming
  • Features cold wall convection cooling with temperature uniformity
  • Temperature range: -25° to -15°C, factory setpoint at -20°C
  • Available in 23.3 and 29.2 cu. ft. capacities
  • Includes: enzyme bins, shelves and four 2” casters (two lockable)
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cULus Logo ULus Logo SNAP Compliant
Manufactured By: Thermo Fisher
Warranty: 2-Years for parts and labor; 8-Years for V-Drive Compressor
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Freezer Temperature Range

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 Terra Part #Price Ships in
-25°C to -15°C 1621-30 78053 $9,649 10-16 Days2
-25°C to-15°C 1621-31 78054 $10,819 10-16 Days3
Freezer Temperature Range
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  • Energy-efficient manual defrost enzyme freezers prevent slight intermittent coil warming
  • Features cold wall convection cooling with temperature uniformity
  • Temperature range: -25° to -15°C, factory setpoint at -20°C
  • Available in 23.3 and 29.2 cu. ft. capacities
  • •  Includes: enzyme bins, shelves and four 2” casters (two lockable)
  • Features: intuitive microprocessor control with setpoint security and alarms, includes shelves and enzyme bins, solid doors, ergonomic door handle, door lock, interior lighting, self-closing door with 90° stop and manufactured in an award-winning zero-waste to landfill facility
  • V-Drive technology saves energy and provides maximum sample protection by detecting door opening and other usage patterns requiring variance of compressor speed for temperature stability
  • Ideal for temperature sensitive applications
  • Supports sample protection and sustainability objectives in enzyme storage
  • Certifications/Compliance: UL, cUL, SNAP and EnergyStar
  • SNAP Compliant Refrigerants: Natural, R290 refrigerant and water-blown foam
  • GMP Clean Room Class A / ISO 6 (ISO EN 14644-1) compatible with appropriate pre-install preparation
  • Whisper quiet operation at 52 dBA
  • Energy-efficient model uses up to 50% less energy usage compared to other models
  • Lower HVAC costs due to less heat emission into the environment*
  • Options: chart recorder, alarm and recorder monitoring, Smart-Vue
  • Also available in 208V-230V freezer models
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  • Comparison chart for TSX High Performance -20°C Manual Defrost Enzyme Freezers by Thermo Fisher Scientific Comparison chart for TSX High Performance -20°C Manual Defrost Enzyme Freezers by Thermo Fisher Scientific
Comparison chart for TSX High Performance -20°C Manual Defrost Enzyme Freezers by Thermo Fisher Scientific
Compare capacity, bins and shelves for TSX High Performance -20°C Manual Defrost Enzyme Freezers by Thermo Fisher Scientific | 1621-PP-02 displayed Comparison chart for TSX High Performance -20°C Manual Defrost Enzyme Freezers by Thermo Fisher Scientific
Features & Benefits

Features and Benefits

V-Drive Technology

Quick temperature recovery and energy efficient cold storage for pharmaceutical, vaccines and medical samples

Ergonomic Usage

Ergonomic door handle designed with a soft touch grip
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