Product Introduction: The QC-1B atmospheric sampler is mainly used as a conventional instrument for continuously collecting gas samples in atmospheric or working environments, with a liquid crystal digital display time function. This sampler can be widely used in metallurgy, mining, chemical industry, construction, casting, power and environmental monitoring, health and epidemic prevention and other departments. It has the advantages of electronic timing function, compact rhythm, small size, stable and reliable performance, and is currently an ideal product among domestic atmospheric samplers.