Ai RapidChill 3.5 CF -86°C Stackable ULT Freezer

Category Benchtop / Undercounter Freezers
Manufacturer Across International
Country of manufacture China
Average customer rating based on 2 reviews

The Ai RapidChill series -86°C ultra-low upright ULT freezers is designed for fast cooling, ultra-low power consumption, very low noise, and ease of maintenance. All RapidChill ultra-low freezers are UL certified.


  • CDC and VFC compliant, great for storage of Covid-19 vaccines, DNA, RNA, virus samples, organs, and serum
  • State-of-the-art Vacuum Insulated Panel (VIP, Micro-Cellular Polyurethane) insulated
  • Safe, environmentally friendly, energy efficient, and easy-to-acquire HC refrigeration system
  • Remote alarm, RS-485 and optional 4-20mA transmitter
  • Door lock, high or low temperature alarms, power failure alarm, door open alarm, filter clogging alarm, password protection, tons of security features to protect you, your products, and the unit
  • Digital temperature display with microprocessor-based temperature controller
  • All stainless steel interior for clean operation, durability, and ease of maintenance
  • Dual silicon sealing gaskets for ultra airtight operation
  • 48-hour battery backup for controller and alarm
  • Extremely quiet and reliable
  • Built-in swivel casters with leveling feet
  • Compliant to UL 61010-1 and CSA C22.2 standards

Please note: This unit is NOT designed to be used on a mobile platform. The remote transmitting option requires an additional 2 week lead time.

Key Attributes
Min. Temperature -40°C to -86°C
Cubic Feet 3.5
Alarms Yes
Controls Digital
Defrost Manual
Electrical 115V, 60 Hz
Warranty(years) 2-year full service, 3-year parts, 5-year compressor
Weight (lb) 240
Width (in) 30
Depth (in) 26
Height (in) 32
Manufacturer Specifications
Model G04h
Electrical requirements 110V (+/-10%) 60Hz 1-Phase 680W 6A
Power consumption 5.5 kW/day
Performance Temperature range: -40°C to -86°C
Time from ambient to -86°C: 4 hours
Uniformity: ±4°C
Time from -86°C to -50°C with door close (ambient 25°C): 2 hours
Controller - Style: microcomputer controlled with analog display
-Range -40°C to -86°C
- Step: 1°C
- Thermo sensor: PT100
- Displays: internal temperature, ambient temperature, input voltage, error code
- Indicators: Locked, running, power, alarm, door open, over temperature
battery low, condenser clean
Compressor Make: SECOP(formerly known as Danfoss), Germany
Style: direct cooling
Power: 115V 60Hz 1-PHASE, 0.54HP
Number of compressors: one
HC refrigerants: R600A, R1150 and R50
Chamber Dimensions: 13 x 19.5 x 24.5" (WxDxH)
Material: powder coated steel
Effective capacity: 3.5 Cu Ft
Insulation: VIP (Vacuum Insulated Panel)
Shelf Come with unit: oneadjustableshelf (2 compartments)
Material: 304 stainless steel
Door and gasket Inner door: two, stainless steel
External door: one,with four layers of silicone sealing gaskets, lock-able
Access port One
Noise level 46 dBA
Communication Standard: RS-485, USB (stores 15 years of data for compliance purpose)
Optional: 4-20mA transmitter
Working environment - Temperature: 10°C to 32°C (humidity <57% Rh required at 32°C)
- Humidity: <80% Rh
- Altitude: < 2000 m / 6561 Ft
- Stable, well-ventilated platform with no excessive dust
- Keep freezer at least 12 inches from any walls or ceiling
- Use dedicated power, do not share outlet
- Extension power cable should be less than 10 feet is required
- Freezer and power outlet should be grounded properly
- Avoid direct sunlight, water spill and do NOT use freezer outdoor
- Clean condenser fins and remove frost inside chamber at least once a month
- Important! Do not plug in your unit. Leave your Ai refrigerator or freezer for 24 hours before turning the unit on for the first time.
Battery backup system 48 hours (for controller display and alarms only)
Unit/shipping weight & dimensions 240 Lbs / 300 Lbs
30 x 26 x 32" / 33 x 29 x 35" (WxDxH)
Safety Compressor over-temp protection
Ambient over-temp protection
Compressor power surge delay protection
Password protection
Sensor failure protection
Over-temperature and low-temperature protection
Power failure protection
Low battery, door open, condenser clogging, system failure alarms
External door with lock
Ground protection
Compliance UL 61010-1
CSA C22.2
Warranty 2-year full service, 3-year parts, 5-year compressor



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Customer reviews

based on 2 reviews