Oxygen Purity Monitor
CI1300 - Shanghai ChangAi Electronic Science & Technology Co.,Ltd (ChangAi)
CI1300 Oxygen Purity Monitor is designed for monitoring oxygen purity in the room air. It uses advanced ion current sensor as its measure unit, is an intelligent monitor based on the core micro-processor. Can precisely monitoring the oxygen purity in 0-40% N2 & O2 gas mixtures. - See more at: http://en.ci-ele.com/79b7fcd3-aee7-30a4-9cf8-76748ef33dcc/37450a04-f65c-a3b7-4e5b-7053fb48529d.shtml#sthash.UZqzsqpD.dpuf