Inquiry (采购产品): NDIR Sensor Gas Please send me information about following NDIR sensors: Oxygen,Carbon Monoxide,Chlorine,Sulfur Dioxide,Nitrogen Dioxide,Nitric Oxide,Hydrogen Chloride.Standalone Sensors available with 4-20 mA Output. **** Hidden Message ***** Radu Dragus 041914 Company: CALORIS GROUP E-mail: rdragus@caloris.ro **** Hidden Message ***** rdragus@caloris.ro