
Great care is taken to roast the beans; undercooked beans taste raw, and overcooked beans have a burnt taste. Roasting coffee beans requires both heat and movement. The beans must cook evenly and are therefore moved around during roasting.
Temperature accuracy is critical in the production of roasted beans. Type J thermocouples were originally used as the temperature sensor for the roasting process but have been replaced with RTDs (resistance temperature detectors). The RTD sensors are connected to a controller that controls the temperature of the heating elements, a process that is critical in achieving the best results.
Pyrosales supply RTDs to a number of roasting companies throughout Australia and New Zealand. Contact our experienced Sales team for more information or to quote on replacement RTDs for your coffee roaster.