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Upright 16 cu. ft. Ultra-Low Single Solid US Plug -50° to -86°C 208/240 V 5232116-1 $11,23710-16 Days
Upright 18 cu. ft. Ultra-Low Single Solid US Plug -50° to -86°C 208/240 V 5232118-1 $12,42010-16 Days
Upright 24 cu. ft. Ultra-Low Single Solid US Plug -50° to -86°C 208/240 V 5232124-1 $12,77510-16 Days
Upright 26 cu. ft. Ultra-Low Single Solid US Plug -50° to -86°C 208/240 V 5232126-1 $13,83910-16 Days
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Freezer Temperature Range
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Product Details

• i.Series -86°C Upright Ultra-Low Temperature Freezers by Helmer Scientific are designed with four levels of containment for state-of-the-art ULT storage of rare blood, reagents, control, tissue and other biological samples

• Premium insulation with vacuum insulated panels in outer door of 18 and 24 cu. ft. models for energy efficient barrier

• Better temperature uniformity with unique Heat Barrier System™ that keeps heat out and reduces frost build -up

• Custom cascade refrigeration system provides maximum heat exchange and optimized oil management

• Capacity sizes: 16, 18, 24 and 26 cu. ft. models

• Temperature Range: -50ºC to -86ºC @ 32ºC (90ºF) Ambient

• Temperature Uniformity: +/-5°C at -80°C Setpoint

• Fits through standard 36” (914mm) width doorways

• Battery backup: 20 hour display and alarm battery backup for i.C³® touchscreen

• Connects easily to facility LIMS or monitoring systems

• Includes: adjustable stainless steel shelves and standard swivel locking caster and leveling legs

Features & Benefits

Features and Benefits

iSeries Upright Ultra-Low Temperature Freezers by Helmer

More Information

i.Series Freezers feature the i.C3 User Interface with a 7” full-color touchscreen monitor that provides constant temperature monitoring and control. This user interface also has multiple information logs with historical data that users can download and save as well as security features to keep your information safe.

  • System status console offers a snapshot of current storage conditions: temperature, alarm conditions, alerts, unacknowledged alarms, historical temperature data and backup system status
  • Guardian Plus Protection limits user access on every ultra-low freezer, ensures sample protection and integrity. The access control log tracks door openings by user, recording the date, time, duration and method of access.
  • Temperature, event, and access data are exported via the USB port of the i.C3 Information Center and can be opened in a spreadsheet program.
  • Device Status Console delivers diagnostic support by displaying the current and historic status of the refrigeration system on the Device Status and History screen.
  • 7” (177mm) full-color, door-mounted touchscreen
  • Automatic high/low alarm testing (Peltier based)
  • USB ports (2) for download/upload/upgrade
  • Optional RS-232 data port
  • Dry contact alarm connection
  • Password protected settings
  • Digital display of upper and lower chamber temperatures
  • Event log displays date, time, and temperature
  • Compressor log displays compressor temperature performance
  • Interactive temperature graph
  • Digital calibration
  • Rechargeable battery backup
  • RJ45 hub*
  • Alarms: Dual alarm probes, Door ajar alarm, Power failure alarm, Condenser temperature alarm, Four alarm tones, High and low temperature alarms, Adjustable alarm volume, Alarm mute with adjustable ring-back interval
Model iUF116 iUF118 iUF124 iUF126
Storage Volume 16 cu. ft. (453L) 18 cu. ft. (510L) 24 cu. ft. (680L) 26 cu. ft. (736L)
2" (51mm) Vial Box Capacity 320 352 480 528
Internal Dims(WxDxH) 23.1 x 23.3 x 49.5 in.
(587 x 592 x 1257 mm)
23.1 x 23.3 x 54.1 in.
(587 x 592 x 1374 mm)
34.4 x 23.3 x 49.5 in.
(874 x 592 x 1257 mm)
34.4 x 23.3 x 54.1 in.
(874 x 592 x 1374 mm)
External Dims(WxDxH) 33.8 x 34.8 78.2 in.
859 x 884 x 1986 mm)
28.9 x 34.8 x 78.2 in.
(734 x 884 x 1986 mm)
45.1 x 34.8 x 78.2 in.
(1146 x 884 x 1986 mm)
40.2 x 34.8 x 78.2 in.
(1021 x 884 x 1986 mm)
Overall Dims(WxDxH) 37.1 x 37.5x 78.2 in.
(942 x 953x 1986 mm)
32.5 x 37.5x 78.2 in.
(826 x 953 x 1986 mm)
48.4 x 37.5 x 78.2 in.
(1229 x 953x 1986 mm)
43.8 x 37.5 x 78.2 in.
(1113 x 953x 1986 mm)
Insulation 5” foam wall Premium Vacuum Insulated Panels 5” foam wall Premium Vacuum Insulated Panels
Compartments and Inner Door 4 5 4 5
Stainless Steel Shelves 3 adjustable (60 lb/73 kg) max load) 4 adjustable (60 lb/73 kg) max load) 3 adjustable (60 lb/73 kg) max load) 4 adjustable (60 lb/73 kg) max load)
Temp. Range -50ºC to -86ºC @ 32ºC (90ºF) Ambient
Temp. Uniformity +/-5°C at -80°C Setpoint
Controller Type Microprocessor with touchscreen input and display.  Includes USB hub for data retrieval.
Security Lockable door, PIN access control, password setpoints, padlock hasp
Battery Backup 20 hour display and alarm battery backup for i.C³® touchscreen (12V, lead acid battery)
Communication Ports (1) RS232 Port (rear) and (1) USB Port (side of door-mounted user interface)
Display i.C3®, eye-level, color touchscreen
Shelf Load 160 lbs. (73 kg) max. cap
Certifications Certified to applicable UL and CSA standards by a NRTL
Electrical 208/230V 60Hz, 1 Phase
Additional Features
  • Adjustable hinges prevent door sag
  • Washable filter keeps dirt and other particles out for increased refrigeration performance
  • USB port for downloading temperature, event, and access data or to upload software updates
  • Guardian Plus™ Access Control
  • Ergonomic one-hand operation
Warranty 5 years compressor, 2 years parts and labor

Security and Data Management

i.Series Upright ULT Freezers feature the i.C3 User Interface that provides constant temperature monitoring and control, security and multi-information logs

Heat Barrier System Reduces Frost

Heat Barrier System features a fortified outer door and a reinforced insulated inner door that prevents frost build-up by minimizing temperature fluctuations

Ice-Resistant Sealing Surface

An ice-resistant sealing surface features an energy-efficient hot gas loop for a frost-free door frame and composite panels reduce heat transfer

Frost Reduction

Polygonal gaskets on the outer door compresses against the frame and forms a tight seal that prevents migration of moisture and reduces frost build-up

Dual Blade Gaskets Eliminate Frost

Dual-blade gaskets between the swing-out inner doors (with a positive latch) stop warm air from entering the storage chamber for ensured temperature uniformity

Optimum Oil Management

Models feature an oil separator that protects the compressor and an optimized mixed refrigerant that ensures proper flow rate at extremely low temperatures

Ergonomic Door Handle with Key Lock

An easy-to-open door handle made with heavy-duty, cast aluminum and hardened steel includes a key lock and a padlock hasp for security

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