FreeZone 4.5 Liter Cascade Benchtop Freeze Dry System is designed for light sample loads with low eutectic points including ones containing acetonitrile. Removes a maximum of over 4 liters of water in 24 hours.* Includes brushed stainless steel and powder-coated steel exterior; stainless steel collector chamber and coil; LCD that displays system operating parameters; set-up parameters and alarm messages (choice of temperature in °C and ° F, choice of vacuum in mBar, Pa and Torr); 1/3 hp CFC-free refrigeration system; red alarm light; LED vacuum and temperature wave graphs; patented moisture sensor; vacuum control/break valve; rear-mounted RS-232 port; automatic start-up switch for collector cool-down and vacuum pull-down with manual override switches; retractable collector drain line; power switch; rear-mounted electrical receptacle for vacuum pump connection (pump not included); 3/4" OD vacuum connection; 3/4" ID vacuum hose; and two clamps. Features a 12-port stainless steel drying chamber.
* Freeze drying rate will be lower for samples other than shell-frozen plain water. For optimum performance, room temperature should be 21° C (70° F) or colder.
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This video is for use with older 4.5 liter FreeZone Freeze Dryers.