The present invention relates to a low-concentration low-cost ozone generator, comprising a housing having a hollow portion formed therein, a cylindrical housing, a support frame inserted into the housing, coupled to the support frame and installed in the housing, an ozone sensor for generating ozone data by measuring ozone concentration; an ozone generator coupled to the support frame and installed in the housing to generate ozone; a transceiver for transmitting and receiving the generated ozone data; the ozone sensor; By including an ozone generator and a controller for controlling the transceiver, a user can easily control the ozone generation through a terminal or the like.
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