... modules specifications"Distance uncertainty±(0.75m + sample space + measurement distance×0.003%)1Sampling resolution0.05,0.1,0.2,0.5,1,2,4,8,16mDistance range0 ... .4,0.8,1.6,3.2,6.4 ... trace and event table ο Updating application software on-line JIAXUN High Performance Optical OTDR - JX8002