LST EN 50543-2011/AC-2011 設(shè)計用于檢測和測量室內(nèi)環(huán)境空氣中二氧化碳和/或一氧化碳的電子便攜式和可移動設(shè)備 要求和測試方法
Electronic portable and transportable apparatus designed to detect and measure carbon dioxide and/or carbon monoxide in indoor ambient air - Requirements and test methods