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large_ultralow_temperature_freezers [2011/05/09 14:09]
csbq_qcbs 		large_ultralow_temperature_freezers [2011/05/12 14:57] (current)
csbq_qcbs
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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.+In our search, we identified ​four models of large ultralow (-86 C) temperature freezers ​that are above the basic laboratory standards, but not of pharmaceutical grade. ​We compared ​the characteristics available from the manufacturers' ​websites ​and/or communicated ​to us by the companies' representatives.
  
 ^     ​^Innova New Brunswick Scientific model U725     ​^Premium New Brunswick Scientific modele U700     ​^Thermo Forma; Fisher FOR990 ​    ​^Thermo Forma; Fisher FOR956 ​    ^ ^     ​^Innova New Brunswick Scientific model U725     ​^Premium New Brunswick Scientific modele U700     ​^Thermo Forma; Fisher FOR990 ​    ​^Thermo Forma; Fisher FOR956 ​    ^
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 ^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 ​    | ^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. ​     | ^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 ​    |+^Access port     |Two pass-through ports 3/4 20mm diameter ​    |Two access ports; pass-through ports 3/4 20mm diameter ​    ​|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 ​     | ^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 ​    | ^Refrigerant ​    ​|Non-CFC Non-HCFC ​    ​|Non-CFC Non-HCFC ​    ​|non-CFC refrigerants ​    ​|non-CFC refrigerants ​    |
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 ^Lock     ​|Removable keyed lock     ​|Removable keyed lock     ​|Locakble ​    ​|Locakble ​    | ^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 ​    | ^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 ​    |+^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. ​     | ^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     | ^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     |
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 ^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     | ^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     | ^Shipping weight ​    |315 kg     |315 kg     ​|408.2 kg     ​|408.2 kg     |
-^Heat release ​(dégagement de chaleur) ​    |2559.10 ​btu/hr      | 750 Watts or 2560 Btu/h     ​|Unknown ​    ​|Unknown ​    |+^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     | ^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 ​    | ^Pull down time (from 20 C to -80)     ​|Unknown ​    |5.3 hours     ​|Unknown ​    ​|Unknown ​    |
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 ^Data logger ​    ​|remote Accense data logger optionnal ​    ​|remote Accense data logger optionnal ​    ​|Optional digital datalogger or Sensaphone ​    ​|Optional digital datalogger or Sensaphone ​    | ^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     | ^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     |
 +
 +Note: 
 +The access ports can be used to insert an external liquid N2 or CO2 backup system. ​