QT-3 genotype gas sampler is a function LCD digital display of time, used to collect atmospheric samples or operating environment, the conventional gas equipment. Can be widely used in metallurgy, mining, chemical, construction, casting, electrical and environmental monitoring, health and epidemic prevention departments, the sampler with electronic timing and rhythm of compact, small size, performance, reliability, etc., is currently sampling the atmosphere the ideal product. 

 Main technical indicators: 
 1, flow range :20-500Ml / min 
 2, flow meter accuracy: 2.5 
 3, exhaust vacuum:> 13000Pa 
 4, the time range :1-99min 
 5, error timer: 1 sec / hour 
 6, supply voltage: 12VDC (built-in nickel-cadmium battery pack or external battery pack) 
 7, sampling time: 24 hours