| 摘要 |
An air concentration cover (1) and a PM2.5 tester having same. The above-mentioned air concentration cover (1) comprises an air exit portion (11), an air guiding portion (12) and a mounting portion (13) used for being mounted with and connected to a fan (2), wherein the air exit portion (11), the air guiding portion (12) and the mounting portion (13) are integrally formed, and form a cavity (14) in combination for air to pass through, an air outlet (111) is provided on the air exit portion (11), and an air guiding piece (15) for guiding air is provided in the cavity (14). The above-mentioned PM2.5 tester comprises the above-mentioned air concentration cover (1). |
