公开(公告)号：US10695706B2

公开(公告)日：2020-06-30

申请号：US16001046

申请日：2018-06-06

Applicant: CENTER FOR INTEGRATED SMART SENSORS FOUNDATION

Inventor： Hyun Tae Cho ,  Chong Min Kyung ,  Han Jung Kim

IPC: B01D46/46 ,  G01N21/94 ,  B01D46/00 ,  G01N15/06 ,  B01D46/44 ,  G01N15/00

Abstract: An apparatus for measuring fine particulate matter to determine a time to replace each of a filter and an air quality sensor based on a concentration of a filtered fine particulate matter and a method thereof are provided. The apparatus for measuring fine particulate matter is applied to an air cleaner, a personal environment monitoring system (PEMS), a fine particulate matter module, or the like by sensing a target material, such as harmful gas, as well as particulate matter and fine particulate matter in the air and providing result information.