The drum of the Kaldi Wide 400 coffee roaster is designed to be efficiently move the heat around the beans.  The 3mm thick stainless steel drum keeps the temperature stable, while the vortex type blades make sure the beans are evenly roasted.  The roaster is lined with heat insulation to keep the temperature stable, make for an efficient roasting process and additionally reduce the noise of the roaster.  A hopper kit is provided to easily load the machine with beans. For temperature control, choose between an analogue thermometer or a datalogger Center 306 digital thermometer.