BS EN 50543:2011(2014) 設(shè)計(jì)用于檢測(cè)和測(cè)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運(yùn)輸設(shè)備 - 要求和測(cè)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