... PID control, 2.timer, current and voltage display function. INDUSTRIAL AIR BLAST DRYING OVEN(can be customized) Scope For product ... electronics, jewelry alloy, food and plastics, leather, metal and other industrial applications. Feature 1,LED microcomputer controller with PID control, timer ... display function.2,According to the box size single door or double door design.3,The shell is made of high ...