Portable High Purity Oxygen Analyzer
GNL-2100L - Shanghai ChangAi Electronic Science & Technology Co.,Ltd (ChangAi)
GNL-2100L oxygen analyzer breaks through traditional magneto mechanical measurement and achieves to measure oxygen concentration without benchmark gas by adopting conversion ion current with the world advanced technology as measurement principle. It has observable characteristics of long calibrating period, high precision, small appearance, lower power consumption, - See more at: http://en.ci-ele.com/2d52147a-f981-5670-12e2-94734366ad09/f3d247c5-749f-7352-9f98-7e49e5f790f7.shtml#sthash.OQI9naQH.dpuf