Pollutants are then added from the opposite corner and there are nine air quality sensors places in all corners of the room including one sensor in the center, to understand the exact air quality in the different parts of the room at all times. That’s a bit more realistic because the peak pollution season in India is in winter when we don’t use ceiling fans. ft) room where the purifier is positioned in a corner and is not aided by any ceiling fan. On the other hand, Dyson’s POLAR test is conducted in a bigger 27 square meter (around 290 sq.
There is only one air quality sensor in the room to detect the change in pollution levels and the ceiling fan is kept on during the test to help with air circulation. The CADR test has been around since the 1980s and required the purifier to be positioned at the center of a small 12 sq. Instead of using CADR (Clean Air Delivery Report) test which is the current industry standard in India, Dyson developed a more stringent POLAR Test that is a better representation of practical real-world scenarios. If you have kids running amock at home and they accidentally butt the purifier, chances are that it will oscillate back in an upright position!ĪLSO READ: Xiaomi Mi Smart Speaker Review with pros and cons Tested to rigid standards: CADR vs POLAR test In fact, the base stand is also topple-free, which is to say it doesn’t topple easy. The sleek remote control for the purifier magnetically clings to the top and that really helped us avoid losing it within our home. If you don’t wish the air to be directly projected at you (in winters), you can press the diffuser button that channels the air out from the broader rear slit. The air multiplier tower can also rotate at 45-degree, 90-degree, 180-degree, or entire 350-degrees in order to sweep wider areas. Dyson uses a DC motor for the fan to avoid carbon dust.ĭyson Pure Hot + Cool air purifier has an airflow of 310 liters/seconds when the fan is set to 10. The purifier uses a blade-less fan tower that can project a stream of air farther away as compared to other purifiers. For the purpose, Dyson employs its patented Air multiplier technology inspired by airflow mechanisms in jet engines.
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