QF-21A Portable nuclear and chemical alarm deviceIntegrated radiation sensor,PIDPhotoionization sensing,Electrochemical and semiconductor sensing,Composite technologies form sensor arrays,Using intelligent recognition algorithms,Processes signals from all modules,Achieve radioactive elementyAccurate monitoring and analysis of X-rays and toxic gases,Low false-positive rate.AchievedChemical agents(Sarin,VX,Mustard gas),Toxic and hazardous gases(Hydrogen sulfide,Ammonia,Sulfur dioxide)AndγRadiationRapid detection and alarm.Effectively warns carriers,Protect personal safety.Products designed according to military equipment environmental testing standards,Improved reliability and environmental adaptability,Operates reliably under various harsh conditionsUsage.