Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
large_ultralow_temperature_freezers [2011/05/09 14:10]
csbq_qcbs 		large_ultralow_temperature_freezers [2011/05/12 14:57] (current)
csbq_qcbs
Line 1: Line 1:
-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 ​    ^
Line 6: Line 6:
 ^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 ​    |
Line 42: Line 42:
 ^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. ​