Laboratory Freezer - Horizon Series™

Upright lab freezer - 20.2 Cu. Ft.

Exterior Dimensions (in):
29.5" x 80" x 29.5"

Exterior Dimensions (mm):
750mm x 2032mm x 750mm

Capacity: 20.2 cu ft / 572 liters

Shelves: 4 Adjustable Full-Size Shelves

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HLF120 Laboratory Freezer

The HLF120 is a single door Horizon Series™ Laboratory Freezer (-30C). It offers continuous temperature monitoring with built-in alarms, excellent temperature uniformity, quick recovery after door openings, min/max functionality, and high quality cabinet construction to safeguard your sensitive products. The standard storage configuration is 4 shelves. Storage may also be configured with shelves, roll-out baskets, and/or drawers.

Next Steps

Sales: 800-743-5637
Support: 800-743-5637
Email: sales@helmerinc.com

Distributor Finder


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  • Temperature controller with built in alarms and continuous temperature monitoring
  • Powerful forced-air refrigeration system provides excellent temperature uniformity and quick recovery
  • Superior cabinet built with high-quality construction meets or exceeds performance standards required for medical and scientific applications
  • Rel.i™ warranty includes 3 years compressor, 2 years parts, and 1 year labor
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Interior Dimensions (w x h x d)

24.75" x 58.25" x 24.25"

629mm x 1480mm x 616mm

Exterior Dimensions (w x h x d)

29.5" x 80" x 29.5"

750mm x 2032mm x 750mm

Interior Volume

20.2 cu ft / 572 liters

Shelves (w x d)

4 Adjustable Full-Size

22" x 23" (559mm x 585mm)


115V 60Hz 8.5 FLA

208 / 230V 60Hz 4.3 FLA

230V 50Hz 3.8 FLA

Net Weight

440 lb / 200 kg

Certified to applicable UL and CSA standards by a NRTL

 CE 0086 Certification Logo

options & accessories


Integrated Electromagnetic Access Control via Keypad
 Integrated Access Control via Keypad

Horizon Access Control provides fail-secure digital keypad access. A lock is integrated into the unit and unlocked by entering a user code on the integrated keypad (Factory installed). Entry via PIN. Up to 100 user ID's may be established directly on the keypad.

Left-Hinged Single Door

May be ordered with a left-hinged single door.

Stainless Steel Interior

Refrigerator may be ordered with stainless steel interior.

Temperature Chart Recorder
 Chart Recorder

7-day, 4" inkless temperature chart recorder is factory installed. Includes battery backup and a supply of 52 charts.


Temperature Validation

Helmer offers a temperature validation package that will certify the temperature performance of the freezer. A multiple point temperature recorder will map the temperature inside the freezer chamber and a document with the data will be provided. This option must be ordered at the time the freezer is purchased. Includes documentation of the chamber temperature and certificate of calibration for the test instrument.

Certificate of Calibration

Certifies that monitor was calibrated with NIST (National Institute of Standards and Technology) traceable thermometer before it left Helmer facility.

Equipment Validation Guide (IQ/OQ Documentation)

The Equipment Validation Guide for Freezers provides documentation for Installation Qualification and Operational Qualification (IQ/OQ), as well as an outline of suggested topics for performance qualification (PQ). The Guide is provided via CD. (Note that performance of the equipment validation is the responsibility of the end-user facility or their designee).

Floor and Wall Bracket Kit
  Floor & Wall Bracket Kit

Purchase online. Designed to secure your freezer to the building floor/and or wall. Freezer has factory threaded mounting holes. Heavy-gauge, powder coated steel floor mounting brackets and cabinet anchor hardware are provided. Customer to provide floor and/or wall anchor hardware and onsite assembly.

Leveling Feet
  Leveling Feet

Purchase online. Field-installable kit. Can be installed without tipping unit.

Remote Alarms
  RA1 & RA4 Remote Alarms

Helmer alarms extend your existing system to remote locations in your facility.
Purchase RA1
Purchase RA4

Storage Trays
  Storage Trays

Purchase online. Simplify and organize your storage needs. Each tray comes with dividers and rails to customize individual storage areas.

Chart Recorder Paper
  Chart Recorder Paper

Purchase online. 4" diameter, -50º to 0ºC, package of 52.

Storage Options

Full-Size Shelves
 Fill Size Shelves

Full-size epoxy coated wire shelves are designed with side and rear guards and adjustable on 1" centers. Maximum load 100 lb per shelf. Hardware included.

Half-Size Shelves

Half-size epoxy coated wire shelves are designed with side and rear guards and adjustable on 1" centers. Maximum load 30 lb per shelf. Hardware included.

Roll Out Baskets

Epoxy coated wire baskets are 4" high and adjustable on 1" centers. Fully extendable drawer slides. Maximum load 100 lb per basket. Hardware included.

Solid Stainless Steel Drawers
 Solid Stainless Steel Drawers

Pull out drawers are 4” high and adjustable in 1” increments. Maximum load 100 lb per drawer. Hardware included.


Download Product Manuals

Visit our product manual page to download the operation or service manual.