| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce maintenance costs of an air environment stability measuring apparatus.SOLUTION: An air cleanliness management system comprises: an entrance/exit management device 1 which manages entrance/exit of a person into/from a clean room 100; air environment stability measuring apparatuses 2-1 to 2-3 which measure stability of air environment of the clean room 100; and an air cleanliness management device 6 which manages air cleanliness of the clean room 100. The air cleanliness management device 6 comprises: an air environment stability determination part which recognizes the entrance/exit of the person into/from the clean room 100 by notification from the entrance/exit management device 1, and determines whether or not the air environment of the clean room 100 is stabilized in the entrance/exit of the person; and a measurement control part which stops measurement by the air environment stability measuring apparatuses 2-1 to 2-3 when the air environment of the clean room 100 is determined to be a stable state.</p> |
