The video demonstrates an air quality meter measuring formaldehyde and TVOC levels indoors. The meter shows a high level of formaldehyde, exceeding the World Health Organization limit by seven times. The speaker notes that the reading is unusually high and speculates on possible causes.
20372 5 лет назад 2:59This video demonstrates a VOC monitor, which measures the levels of volatile organic compounds (VOCs) in the air. The video compares the VOC levels outside a car to the levels inside the car after it has been parked for several hours. The presenter explains that the higher VOC levels inside the car are due to the release of organic compounds from the car's interior materials.
7402 6 лет назад 3:02