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In our search, we identified three models of large Ultralow temperature freezer -86 C that are above the basic laboratory standards, but not of pharmaceutical grade. They were compared for characteristics available from manufacturer websites, or communicated by the companies representative.
Innova New Brunswick Scientific model U725 | Premium New Brunswick Scientific modele U700 | Thermo Forma; Fisher FOR990 | Thermo Forma; Fisher FOR956 | |
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Capacity litre | 725 l (25.6 pi cu) | 700 l (25 pi cu) | 651.3L (23 pi cu) | 651.3L (23 pi cu) |
Insulation | “Ultra-thin (3.15”“ 88mm thick) vacuum insulation panel encapsulated between a metallic polymer film barrier bonded to polyurethane foam” | polyurethane foam 130 mm thick | non-CFC foamed-in-place polyurethane insulation in the cabinet; 12.7 cm thick in cabinet; 11.4 cm in the door. | non-CFC foamed-in-place polyurethane insulation in the cabinet; 12.7 cm thick in cabinet; 11.4 cm in the door. |
Temperature control | Microprocessor Temperature Control System | Microprocessor Temperature Control System | Patented refrigerated system improves temperature control for more consistent temperature cycling | Patented refrigerated system improves temperature control for more consistent temperature cycling |
Air filter | Air filter front-mounted easily accessed | Air filter front-mounted easily accessed | Convenient hinged air filter grill allows easy access for inspection cleaning and/or changing. | Convenient hinged air filter grill allows easy access for inspection cleaning and/or changing. |
Access port | “Two pass-through ports 3/4”“ 20mm diameter” | “Two access ports ; pass-through ports 3/4”“ 20mm diameter (pour mettre une sonde externe et un pour mettre le systeme backup ln2 ou co2)” | Unknown | Unknown |
Battery back up | Battery back-up system activate alarms and displays temperature | Battery back-up system activate alarms and displays temperature | Battery back-up system is standard | Battery back-up system is standard |
Refrigerant | Non-CFC Non-HCFC | Non-CFC Non-HCFC | non-CFC refrigerants | non-CFC refrigerants |
Refrigeration | cascade refrigeration: Hermetically-sealed two-stage casdace system | cascade refrigeration: Hermetically-sealed two-stage casdace system | cascade refrigeration: | cascade refrigeration: |
Temperature range | From +32 down to -86 in 1C increment | From +32 down to -86 in 1C increment | range -50 to -86 | range -50 to -86 |
Handle | Molded handle with removable lock. One handed operation easy to open. Can be reopened as frequent as desired due to vent | Molded handle with removable lock. One handed operation easy to open. Can be reopened as frequent as desired due to vent | New ergonomically designed door latch/handle | New ergonomically designed door latch/handle |
Lock | Removable keyed lock | Removable keyed lock | Locakble | Locakble |
Air circulation | Requires just one fan. | Requires just one fan. | front-to-back air circulation system | front-to-back air circulation system |
Voltage stabilizer or compensator | Internal voltage stabilizer optional | OPTIONAL | Automatic Voltage Compensator | Automatic Voltage Compensator |
Compressor | Low-noise heavy duty commercially available | Low-noise heavy duty commercially available Embraco | Leading compressors 1 HP (horse power) by Copland. | Leading compressors 1 HP (horse power) by Copland. |
Exterior | 18 gauge steel 1.2 mm thick. Powder coated scratch and rust resistant. | 18 gauge steel 1.2 mm thick. Powder coated scratch and rust resistant. | Heavy gauge cold-rolled steel cabinets with powder coat paint finish. Uniform exterior surface resists chipping and rust | Heavy gauge cold-rolled steel cabinets with powder coat paint finish. Uniform exterior surface resists chipping and rust |
Outer door | One outer door | One outer door | Two outer doors (double doors model) | One outer door |
Outer door sealing | Insulated with high-efficiency silicone seals. | Insulated with high-efficiency silicone seals. | Triplepoint silicone gasket with one bulb and two feathered edges | Triplepoint silicone gasket with one bulb and two feathered edges |
Outer door hinges | Heavy-duty Epoxy coated steel door hinges ensure proper alignment. | Heavy-duty Epoxy coated steel door hinges ensure proper alignment. | Heavy-duty stainless steel door hinges ensure proper alignment | Heavy-duty stainless steel door hinges ensure proper alignment |
Outer door latch | Molded handle with removable lock. One handed operation easy to open. Can be reopened as frequent as desired due to vent | cam-action reverse cam-action for easy one-handed opening | new latch/handle design ensure a snug door seal | new latch/handle design ensure a snug door seal |
Pressure release | Heated Vent with spring-assisted plunger to break icing prevents vacuum formation allows to re-open door quickly | Heated Vent with spring-assisted plunger to break icing prevents vacuum formation allows to re-open door quickly | Vacuum relief port allows pressure to equalize quickly | Vacuum relief port allows pressure to equalize quickly |
Compartment | Three compartments with two adjustable-height stainless-steel shelves | Five compartments with four adjustable-height stainless-steel shelves | Four interior compartments doors complete with sliding latches; three fully adjustable solid stainless steel shelves | Four interior compartments doors complete with sliding latches; three fully adjustable solid stainless steel shelves |
Inner doors | Three inner doors insulated and gasketed with high quality seals. Push-oull latch. | Five inner doors insulated and gasketed with high quality seals. Push-oull latch. | four inner doors | four inner doors |
Interior | Stainless-steel interior polished 304L | Stainless-steel interior polished 304L | Stainless steel | Stainless steel |
Noise level (Decibel) | 59 db | 61.8 db | Acoustical mufflers designed into the base and sound absorbing foam reduce noise level 58 db | Acoustical mufflers designed into the base and sound absorbing foam reduce noise level 58 db |
Casters | Heavy-duty lockable casters with leveling feet | Heavy-duty lockable casters with leveling feet | lockable casters | lockable casters |
“Max vial (2 inches boxes) capacity” | 50400 | 48000 | 38000 | 44000 |
Racks per freezer | 18 | 30 | 10+10 | 10+10 |
Electrical requirement | 208/230V 60 Hz | 120V ou 208/230V 60hz | 120V 50/60 Hz 16/20 (P2) | 120V 50/60Hz 1P |
Exterior size | 195mm H X 102.5mm W X 86.7mm D | 1958 mm H X 1125 mm W X 871 mm D | 1976 x 1036 x 940 | 1976 x 1036 x 940 ; 5-20P |
Internal size | 1355mm H x 865mmW x 615mm D | 1355mm H x 865 mmW x 615mm D | 1308 x 777 x 643 | 1308 x 777 x 643 |
Shipping weight | 315 kg | 315 kg | 408.2 kg | 408.2 kg |
Heat release | 2559.10 Btu/hr | 750 Watts or 2560 Btu/h | Unknown | Unknown |
Power consumption kilowatts per 24 hours | 16.4 (a t208V) 15.8 (at 220V) | 14.9 | probably 18 | probably 18 |
Pull down time (from 20 C to -80) | Unknown | 5.3 hours | Unknown | Unknown |
Warm up time (from -80 to -50) | Unknown | Unknown | approx 200 hours | approx 200 hours |
BTU absorption per hour | Unknown | Unknown | 450 par heure | 450 par heure |
Warranty | 5 year on all componants parts and labour | 5 year on all componants parts and labour | 1 year warranty on all componants parts and labour | 1 year warranty on all componants parts and labour |
Backup system | Optional CO2 and LN2 safety back-up systems | Optional CO2 and LN2 safety back-up systems | Optional CO2 and LN2 safety back-up systems | Optional CO2 and LN2 safety back-up systems |
Data logger | remote Accense data logger optionnal | remote Accense data logger optionnal | Optional digital datalogger or Sensaphone | Optional digital datalogger or Sensaphone |
Listing and certifications | CE listed cUL listed meets WEEE directives cUL also meets CSA | CE listed cUL listed meets WEEE directives cUL also meets CSA | CSA approved; cUL | CSA approved; cUL |