How to deal with heavy pollution weather selection air purifier

How to deal with heavy pollution weather selection air purifier

CADR:

The key performance indicator of an air purifier is its “clean air volume”.

The larger the CADR value, the stronger the purifying capacity of the purifier, and the target space can be quickly purified in a relatively short period of time.

The CADR value is a clear physical unit (m3/h per cubic meter), and the essential meaning of the indicator is “the amount of clean air supplied per unit time”.

The CADR value decreases as the usage time increases.

The same air purifier has different CADR for different air pollutants (for example, the CADR of an air purifier for the purification of particulate matter is 200m3/h, and the CADR for formaldehyde is 0m3/h).
Purification effect:

Also known as the purification rate, when the purification rate is expressed, the environmental conditions of the test laboratory, such as the purification time and the size of the purification space, must be indicated at the same time. Generally, the environmental test chamber specified by the national standard is 30m3, and the time is one hour.

The air volume of an air purifier is not the same as CADR, and the purchaser should focus on the CADR value.

CCM:

The “cumulative purification amount” is to evaluate the attenuation of the CADR of an air purifier. It is a concept related to the purification life, that is, the mass of the target pollutant to be purified, in milligrams (mg).

Objectively speaking, the size of the “cumulative purification amount” (CCM value) corresponding to a purifier indicates whether the purifying ability of the purifier is good or bad. The larger the “cumulative purification amount”, the longer the effective CADR of the purifier is maintained and the more durable it is.

Application area:

The applicable area is selected according to the purifying capacity of the air purifier (CADR value, usually for particulate matter). Due to environmental factors such as the initial concentration of pollutants, the building standards and ventilation conditions of various types of rooms are different. Therefore, the “applicable area” is only a reference indicator.

Energy efficiency rating:

The amount of clean air produced by the air purifier at rated power per unit of power consumption. The unit is cubic meters per watt-hour [m3/(W·h)]. Air purifiers generally need to be energized. For appliances that are energized, they generally need to check the level of energy consumption.

A purifier with a high level of energy efficiency is characterized by a higher ability to handle pollutants but consumes less power. Purifiers have different levels of energy efficiency for different target contaminants.

Noise level:

Noise is generated when the air purifier is running. The noise level of non-industrial air purifiers is an important performance indicator. Usually, in the living room, the noise is below 55 decibels (dB) during normal operation and the air purifier is used below 35dB in the bedroom.

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