humidity sensors and a primary controller a repeater and a main controller specifically the sterilization device of the present invention has a primary configuration comprising a plurality of sprayer units repeaters and main controllers the sprayers that are used in the present invention have no restrictions in regard to type or model provided that they can reliably generate dry fog through the atomization of liquid using air the sprayers pertaining to the present invention are connected to controllers and are made to operate or stand by under control of the controllers one or more stages of forced air fans e g two stages may be present making it possible to spray droplets out to 7 to 12 m a turntable may also be used thereby allowing spraying over a broad area moreover the air that is used for spraying may be treated with a high performance filter in order to remove 99 997 or more of particles of size 5 u03bcm or greater an example of a fumigator that can be used as the fumigator in the present invention is an electric fumigator vectra jet 7505 manufactured by fogmaster the repeater in the present invention preferably has a temperature humidity logging function where detected values for the temperature and humidity at the sprayer units are automatically recorded every minute the log record can be stored in csv format as a single file for each sterilization operation the main controller can wirelessly check and record the repeater log the peracetic acid disinfectant that is used in the present invention preferably is a mixed liquid composed of peracetic acid hydrogen peroxide acetic acid and water the preferred peracetic acid content of the peracetic acid disinfectant of the present invention is 0 01 to 1 2 wt the preferred hydrogen.