Process Trace Oxygen Analyzer
GNL-IN90 - Shanghai ChangAi Electronic Science & Technology Co.,Ltd (ChangAi)
GNL-IN90 trace oxygen analyzer adopts the electrochemical principle, can test oxygen concentration in 0-10/100/1000ppm - See more at: http://en.ci-ele.com/8aedb8bf-ef48-4f8c-127a-797c939a6181/5e56e024-971a-1704-6125-0787e9eca192.shtml#sthash.SNo0Q2tG.dpuf
