... 003%)1Sampling resolution0.05,0.1,0.2,0.5,1,2,4,8,16mDistance range0.4,0.8 ... (2GB SD storage)Group refractive index setting1.00000 to 2.00000 (0.00001steps)Distance unitkm,m,kft,ftDisplay640×480 ... macro bend easily. The standard VFL with more than 2 milliwatt output power is factory installed in JX8002 , ... table ο Updating application software on-line JIAXUN High Performance Optical OTDR - JX8002