Kimoto Electric Co.., Ltd., have been acting more than 50 years since our incorporation, 1953, fortunately. For these more than 50 years, we have been doing our efforts to develop the continuous automatic measuring devices to measures contaminants of the ambient air, the water environment and the global environment, as one pioneer and special maker of the environmental analyzer. As a contrary to 20th prosperity, the environmental problem has appeared dominantly in any area in the last half of 20th century. As the environment is a complex system relating with the nature and the society mutually, our knowledge is too small and weak to solve against these environmental problems which become to one of new social problems in latest 50 years.