| 摘要 |
PROBLEM TO BE SOLVED: To provide an air cleaner having a display part which displays the aging variation of the particle concentration in the air or the value of the concentration of microparticulate material and the like in order to provide the cleaning effect by the air cleaner.SOLUTION: An air cleaner includes a detection part 16 which detects particles in the air and outputs a detection signal, a control part 34 which outputs a display instruction signal on the basis of the detection signal from the detection part, and a display part 20 which displays the value of the particle concentration in the air on the basis of the display instruction signal. |
