Laboratory Refrigerator - Horizon Series™

Upright Lab Refrigerator with glass door

Exterior Dimensions (in):
29.5" x 78.75" x 35.5"

Exterior Dimensions (mm):
750mm x 2001mm x 902mm

Capacity: 25.2 cu ft / 714 liters

Shelves: 4 Adjustable Full-Size Shelves

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HLR125 Laboratory Refrigerator

The HLR125 Horizon Series™ Laboratory Refrigerator is designed for the storage of reagents, samples, pharmaceuticals, vaccines, and medications. This medical-grade refrigerator provides superior temperature unifomity and recovery, temperature monitoring, min/max functionality, alarms, and high quality construction. The operating range is 2°C and 10°C. The HLR125 Horizon Series™ hospital refrigerator is also ENERGY STAR® certified.

Energy Star Certified

ENERGY STAR® Certified

Certified energy-efficient refrigerators from Helmer help reduce the environmental footprint of your facility.

Next Steps

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

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Medical-grade laboratory refrigerator
  • Change image Medical-grade laboratory refrigerator
  • Change image 25.2 Cu. Ft. storage capacity
  • Change image Lab refrigerator with single door
  • Change image control panel with temperature monitoring
  • Continuous temperature monitoring with built in alarms provides peace of mind
  • 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
  • Energy-efficient LED lighting spotlights the interior for maximum illumination
  • Rel.i™ warranty includes 5 years compressor, 2 years parts, and 1 year labor
Product Selection Tool

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Interior Dimensions (w x h x d)

24.75" x 58.25" x 30.25"

629mm x 1480mm x 769mm

Exterior Dimensions (w x h x d)

29.5" x 78.75" x 35.5"

750mm x 2001mm x 902mm

Interior Volume

25.2 cu ft / 714 liters

Shelves (w x d)

4 Adjustable Full-Size

22" x 29" (559mm x 737mm)


115V 60Hz 7.5 FLA

230V 50Hz 4.2 FLA

230V 60Hz 4.2 FLA

Net Weight

481 lb / 219 kg

Certified to applicable UL and CSA standards by a NRTL

 CE 0086 Certification Logo

ENERGY STAR® Certified

Energy Star Certified

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.

Door Options

Left-Hinged Single Door

Single door refrigerators may be ordered with a left-hinged single door.

Heated Glass Door

Removes fogging and condensation in humid environments.

Solid Door Option

Choose a solid door instead of a glass door.

Chromatography Kit
  Chromatography Kit

Purchase online. Factory installed on Laboratory Refrigerators. Includes pole mast, vapor-proof duplex outlet, four half shelves, and a second sidewall access port. Not available for 11 cu ft models (115V only).

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.

Access Ports
 Access Ports

Additional Access Port

A second access port on the right-hand sidewall can be added (Factory installed).

Custom Access Port with Plug

Specify location in the chamber at the time of order.

Duplex Outlet
 Duplex Outlet

Duplex outlet is provided with vapor-proof cover and 8 foot line cord. Duplex outlet power is independent from refrigerator power cord. Outlet is located on the interior back wall of the refrigerator. Limit 1 per refrigerator. (115V only)


Temperature Validation

Helmer offers a temperature validation package that will certify the temperature performance of the refrigerator. A multiple point temperature recorder will map the temperature inside the refrigerator chamber and a document with the data will be provided. This option must be ordered at the time the refrigerator 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 Refrigerators 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 refrigerator to the building floor/and or wall. Refrigerator 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.

Upright Drawer Dividers
  Upright Drawer Dividers

Purchase online. Polycarbonate vertical drawer dividers. One set per drawer. 28 bag capacity per drawer.

Angled Drawer Dividers
  Angled Drawer Dividers

Purchase online. Polycarbonate slanted drawer dividers. One set per drawer. 24 bag capacity per drawer.

Chart Recorder Paper
  Chart Recorder Paper

Purchase online. 4" diameter, -5º to +20ºC, 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.

Locking Drawers


Locking drawers offer secure storage for your medications, vaccines, blood products, and more. The ventilated cover is secured by a key lock adding an extra layer of protection while maintaining excellent temperature uniformity.


Download Product Manuals

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