1. Introduction 
 QC-1B-type air sampler is mainly used for continuous acquisition of atmospheric gas samples or operating environment, conventional instruments, with LCD digital displays the time function. Can be widely used in metallurgy, mining, chemical, construction, casting, power and environmental monitoring, health and epidemic prevention departments, the sampler with electronic timing and pace of compact, small, stable and reliable, is currently sampling the atmosphere the ideal product. 
 2. Technical parameters 
 a. load capacity: ≥ 5000Pa load flow ≥ 1L/min 
 b. Flow Range :50-500ml / min 
 c. flow stability: ≤ 5% 
 d. flow error: ≤ ± 5% 
 e. Timing range :0-24h 
 f. Timing Error: <1% 
 g. Operating temperature :5-40 ℃ 
 h. Continuous working time: more than 6 hours of battery 
 i. Host Dimension: 97 × 152 × 52mm 
 j. Weight (with battery): 660g 
 3. Instrument configuration 
 a. host sampler 
 b. power supply / charger 
 c. absorption bottle rack (hanging) 
 d. Buffer bottle (safety bottle) 
 e. Tripod 
 f. Manual 
 g. Certificate 
 h. aluminum carrying case (optional) 
 i. absorption tube, the absorption bottle (optional)