1. Overview
This test evaluates the virus removal performance of air purifiers and other devices by measuring their ability to remove airborne viruses dispersed within a 25 m³ test chamber during operation.
Under the Japan Electrical Manufacturers’ Association (JEMA) Standard, the test is conducted using a specified chamber size and designated virus. However, the test conditions can be customized according to the client’s objectives and intended application at our center. This includes changes to the chamber size (0.4, 1, or 10 m³), substitution of the test microorganism (e.g., bacteria or fungi), or replacement of the test target with allergens.
2. Applicable Products
・Air purifiers
・Air conditioners
・Ion generators
・Ozone generators
・Sprayers (disinfectant dispersal devices)
・Stationary or adhesive-type disinfectant products (e.g., chlorine dioxide-based products)
・Other products intended for the removal of airborne viruses
4. Test Method
A 25 m³ test chamber in which the test specimen has been installed is charged with an aerosolized virus, after which the test specimen is operated. Air samples are collected from the chamber at predetermined time intervals, and the number of viable viruses is determined.
The virus removal performance of the test specimen is evaluated by comparing the results with those obtained under a control condition in which the test specimen is not operated.
