The analysis of cassava opaque using cabinet space of dryer system has been done. The drying chamber was designed with the diameter of 130 cm long, 97 cm width and 120 cm height. This drying chamber was consisted of a drum with height of 70 cm, and diameter of 44 cm. The sample used was cassava opaque that originated from Rejosari Urban Village, Tenayan Raya and Pekanbaru City. Maximum temperat…