Portable Trace Oxygen Analyzer
GNL-IN93 - Shanghai ChangAi Electronic Science & Technology Co.,Ltd (ChangAi)
GNL-IN93 trace oxygen analyzer is an intelligent analyzer which based on microprocessor. The sensor it uses is fuel cell type oxygen sensor and it can measure 0-25% of oxygen concentration, but it is best to measure oxygen concentration in 0-1000ppm environment. - See more at: http://en.ci-ele.com/8aedb8bf-ef48-4f8c-127a-797c939a6181/5d34ba2a-2b3a-1ccb-c9f8-eb38b05de7bb.shtml#sthash.tMYL7x9d.dpuf
