Large freeze dryer for ~1 L to 2 L volumes of frozen sample at a time. For smaller samples, see also freeze dryer tools 204 and 313.
Risk assessment
http://appcheminstruments.che.chalmers.se/resources.appchem/userfiles/files/Risk-assement-Freeze-dryer-082024.xlsx
Main risks: Exposure to cold surfaces, Damage to vacuum pump, Damage to drying instrument