... microcomputer chip in the highest accuracy, reliability & durability. They are of 8, 10, 16 & 40 programs setting with separate control ... to fixed time. It is widely applied to programmable control of electric cooker, booster, lamp, water heater, sprayer, bottler, preheater, ... equipments which will cause the accident to affect the safety of life or harm to society with misoperation, such as medical ...