These laboratory and industrial Furnaces feature a digital programmable C290 controller with 9 programs and 20 ramp/soak pairs. Furnaces withstand daily harsh use in lab including annealling and hardening. Robust insulation, light refractory bricks, and three sided heating offer excellent temperature uniformity. Furnace floor is protected by a heat-resistant SiC plate. A parallel swinging door opens upward or downward for greater access to the furnace chamber. Furnaces reach a maximum temperature of 680°C.