Deodorization Performance Test (Japan Electrical Manufacturers’ Association Standard JEM 1467, Annex B)

1. Overview

This test evaluates the ability of an air purifier to remove gaseous substances (ammonia, acetaldehyde, and acetic acid) from a test chamber (1 m³). Depending on the purpose and application of the evaluation, our center can accommodate modifications to the test chamber volume (e.g., 0.4 m³ or 30 m³) and the target gaseous substances (e.g., trimethylamine, isovaleric acid, etc.).

2. Applicable Products

3. Standards and Regulations

・Japan Electrical Manufacturers’ Association Standard JEM 1467, Annex B: “Deodorization Performance Test”

4. Test Method

A test specimen is placed in advance inside a 1 m³ test chamber. Five cigarettes are then burned using a cigarette smoke generator to produce gaseous substances. After combustion is completed, a mixing fan inside the chamber is operated to uniformly disperse the generated gases.

When the gas concentrations have stabilized, approximately 2 to 5 minutes after combustion, the concentrations of ammonia, acetaldehyde, and acetic acid are measured using detector tubes. These measurements are defined as the initial concentrations.

After the initial concentration measurements, the test specimen is operated at its maximum airflow setting for either 1 minute or 30 minutes. At the end of the designated operating period, the concentrations of the gaseous substances are measured again and recorded as the residual concentrations.

The removal rate for each gaseous substance is calculated from the ratio of the initial concentration to the residual concentration, and the deodorization performance of the test specimen is evaluated based on these results.