JTT-D table projector is one of the detection efficiency metrical instrument among the optical metrological instruments,the machine is widely used in Detection work ,such as electric wire,textile fiber, Standard measurement,Machinery Manufacturing,canned food,,semiconductor apparatus,Watch &clock parts,instrument element,tool,cutter,special gauge,jewel bearing,Biological Section,Legal Examiner,public security and so on .it is one kind of inspect tool be used in Commodity inspection departments.
